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Amir Kassam <[log in to unmask]>
Sun, 1 Aug 2021 22:53:29 +0100
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*Global CA-CoP* *CONSERVATION AGRICULTURE COMMUNITY OF PRACTICE*

*for sustainable agriculture, land use and ecosystem management*

Dear Subscribers,

Please see herebelow the August 2021 Conservation Agriculture Scoopit
Research Update from Cornell.

Thank you Professor Hobbs.


*Amir Kassam *

*Moderator*

*Global CA-CoP*

e-mail: [log in to unmask]

URL: http://www.fao.org/conservation-agriculture

URL: http://www.act-africa.org/

URL: https://ecaf.org/
URL: http://www.caa-ap.org/


---------- Forwarded message ---------
From: Peter Hobbs <[log in to unmask]>
Date: Sun, 1 Aug 2021 at 14:54
Subject: August CA Scoopit newsletter
To: Amir Kassam <[log in to unmask]>


Dear Amir: Here is our August 2021 Conservation Agriculture Scoopit
Research Update. You can also view online at
https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?curate=true&null

Can you send this out to people who get your listserv material? The hard
copy is below.

An easier link to see all the research papers on CA is as follows:
https://www.zotero.org/groups/348525/cornell_conservation_agriculture/collections/KGBFX8BX

Also, visit our main website at http://soilhealth.org for news and other CA
information. Note you can see all the Scoopit newsletter entries by going
to this web site and clicking the "CA Research Highlights" tab on the right
side of the opening page. This month's entries are copied below.

Many thanks for helping to distribute this. Peter

[image: Conservation Agriculture Research Updates - August 2021]
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag>
Conservation Agriculture Research Updates - August 2021
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag>
by Cornell Conservation Agriculture Group (soilhealth.org)
<https://www.scoop.it/u/conservation-ag>
Powered by [image: Scoop.it] <https://www.scoop.it>

Potential impact of plans and policies based on the principles of
conservation agriculture on the control of soil erosion in Brazil.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126077126/2021/07/28/potential-impact-of-plans-and-policies-based-on-the-principles-of-conservation-agriculture-on-the-control-of-soil-erosion-in-brazil>
Today, 3:59 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126077126/2021/07/28/potential-impact-of-plans-and-policies-based-on-the-principles-of-conservation-agriculture-on-the-control-of-soil-erosion-in-brazil>
Polidoro, J.C., de Freitas, P.L. Hernani, L.C., dos Anjos, L.H.C.,
Rodrigues, R.D.R., Cesario, F.V., de Andrade, A.G. & Ribeiro, J.L. 2021.
Land Degradation and Development. 32 (12) 3457-3468.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126077126/2021/07/28/potential-impact-of-plans-and-policies-based-on-the-principles-of-conservation-agriculture-on-the-control-of-soil-erosion-in-brazil>
https://doi.org/10.1002/ldr.3876
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This paper provides information to society and decision-makers about the
effectiveness of the adoption of conservation agriculture (CA) principles
with zero tillage (ZT/CA) and integrated crop-livestock-forest (iCLF-CA)
systems to mitigate soil erosion, the main agent of land degradation and
productivity loss in Brazil. They estimate the potential loss by soil
erosion with CT to be 3 billion tons in 2017. The economic impact, based
only on replacement of nutrient losses, is estimated to be 15.7 billion US$
yr(-1). They conclude that the annual economic impact of the adoption of CA
principles by controlling soil erosion was estimated at 1.5 billion US$ for
ZT/CA in 2017. They also suggest the positive impacts of the adoption of CA
principles in Brazil are the result of the determination of farmers, among
many actors, and of the effectiveness of government plans and policies.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126077126/2021/07/28/potential-impact-of-plans-and-policies-based-on-the-principles-of-conservation-agriculture-on-the-control-of-soil-erosion-in-brazil>
<https://www.scoop.it/share/post/twitter/4126077126?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4126077126?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4126077126?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4126077126>
Dynamics of Conservation Agriculture: a societal perspective
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126075125/2021/07/28/dynamics-of-conservation-agriculture-a-societal-perspective>
From doi.org <https://doi.org/10.1007/s10531-021-02161-3> - Today, 3:38 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126075125/2021/07/28/dynamics-of-conservation-agriculture-a-societal-perspective>
Chatterjee, R. & Acharya, S.K. 2021. Bodiversity and Conservation. 30 96)
1599-1619.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126075125/2021/07/28/dynamics-of-conservation-agriculture-a-societal-perspective>
https://doi.org/10.1007/s10531-021-02161-3
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This paper reviews the adoption behavior by farmers from literature. Key
influencers on smallholdings, a gender dimension and knowledge network,
institutional and policy context are also theoretically presented in
relation to CA system. They conclude that there is a requirement for an
understanding of the complex network of adopter-CA technology-adoption
behaviour and global or national level policy formulation as well as
strategic farm-level management.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126075125/2021/07/28/dynamics-of-conservation-agriculture-a-societal-perspective>
<https://www.scoop.it/share/post/twitter/4126075125?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4126075125?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4126075125?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4126075125>
Effect of precise levelling, tillage and seed sowing methods of pearlmillet
based cropping systems on productivity and soil quality in dryland area.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126056954/2021/07/27/effect-of-precise-levelling-tillage-and-seed-sowing-methods-of-pearlmillet-based-cropping-systems-on-productivity-and-soil-quality-in-dryland-area>
From linkinghub.elsevier.com
<https://linkinghub.elsevier.com/retrieve/articleSelectSinglePerm?Redirect=https://www.sciencedirect.com/science/article/pii/S0167198721001392?via%3Dihub&key=516456a2d6508f26da77e862aadafde9e710b55c>
- July 27, 4:08 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126056954/2021/07/27/effect-of-precise-levelling-tillage-and-seed-sowing-methods-of-pearlmillet-based-cropping-systems-on-productivity-and-soil-quality-in-dryland-area>
Singh, Y.P., Tomar, S.S. & Singh, S. 2021.Soil and Tillage Research. 212
105069.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126056954/2021/07/27/effect-of-precise-levelling-tillage-and-seed-sowing-methods-of-pearlmillet-based-cropping-systems-on-productivity-and-soil-quality-in-dryland-area>
https://doi.org/10.1016/j.still.2021.105069
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This study looks at Pearl Millet (PM) and mustard (IM), two important
dryland crops in India, with the objective to improve the soil quality,
productivity of the system and make it more profitable by shifting from
traditional to an innovative conservation agriculture (CA) farming
system. The study was conducted on a rainy season PM based system with four
dry winter season crops, IM and three legume crops- chickpea (CP), fieldpea
(FP) and lentil (L) under two methods of land levelling viz. conventional
(CLL) and precision laser-assisted land levelling (PLL), and three tillage
and seed sowing (TSS) methods- conventional tillage (CT), zero tillage (ZT)
and permanent raised broad bed- furrow (PBBF). They conclude that the TSS
method with PBBF in conjunction PLL system was more productive and
economically profitable, and would improve soil quality and save resources.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126056954/2021/07/27/effect-of-precise-levelling-tillage-and-seed-sowing-methods-of-pearlmillet-based-cropping-systems-on-productivity-and-soil-quality-in-dryland-area>
<https://www.scoop.it/share/post/twitter/4126056954?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4126056954?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4126056954?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4126056954>
Crop rotation can be used to manipulate residue levels under no-tillage in
a rainfed Mediterranean-type environment.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126056873/2021/07/27/crop-rotation-can-be-used-to-manipulate-residue-levels-under-no-tillage-in-a-rainfed-mediterranean-type-environment>
From linkinghub.elsevier.com
<https://linkinghub.elsevier.com/retrieve/articleSelectSinglePerm?Redirect=https://www.sciencedirect.com/science/article/pii/S016719872100132X?via%3Dihub&key=805620effcd23c5d23a6c04665bde710cc23fd66>
- July 27, 3:21 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126056873/2021/07/27/crop-rotation-can-be-used-to-manipulate-residue-levels-under-no-tillage-in-a-rainfed-mediterranean-type-environment>
Flower, K.C., Ward, P.R., Micin, S.F. & Cordingley, N. 2021. Soil and
Tillage Research. 212. 105062.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126056873/2021/07/27/crop-rotation-can-be-used-to-manipulate-residue-levels-under-no-tillage-in-a-rainfed-mediterranean-type-environment>
https://doi.org/10.1016/j.still.2021.105062
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This paper reports on the residue dynamics in a 12-year experiment
(2007–2018) in the Wheatbelt of Western Australia, comparing rotations that
included: cereal (cereal/cereal/cereal); diverse (wheat/legume/canola);
farmer (wheat/barley/break – legume or fallow); and wheat monoculture. Crop
residue was either spread behind the harvester (retain) or windrowed at
harvest and burnt before seeding (windrow burn). Within rotations, residue
quantity was highest with retained residue in the cereal rotation and wheat
monoculture, averaging 5.0 t ha−1 prior to seeding, which could present
management problems at seeding time in some years. Residue quantity was
reduced to optimal levels by including legume crops or canola in the
rotation, as these residues were more rapidly broken down than cereal
residues, whilst maintaining residue retention practices.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126056873/2021/07/27/crop-rotation-can-be-used-to-manipulate-residue-levels-under-no-tillage-in-a-rainfed-mediterranean-type-environment>
<https://www.scoop.it/share/post/twitter/4126056873?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4126056873?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4126056873?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4126056873>
Soil compaction alleviation by deep non-inversion tillage and crop yield
responses in no tilled soils of the Pampas region of Argentina. A
meta-analysis.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126056820/2021/07/27/soil-compaction-alleviation-by-deep-non-inversion-tillage-and-crop-yield-responses-in-no-tilled-soils-of-the-pampas-region-of-argentina-a-meta-analysis>
From linkinghub.elsevier.com
<https://linkinghub.elsevier.com/retrieve/articleSelectSinglePerm?Redirect=https://www.sciencedirect.com/science/article/pii/S0167198721000921?via%3Dihub&key=1619a4199d388175ef8490a7bb4e94540c2c5efe>
- July 27, 3:02 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126056820/2021/07/27/soil-compaction-alleviation-by-deep-non-inversion-tillage-and-crop-yield-responses-in-no-tilled-soils-of-the-pampas-region-of-argentina-a-meta-analysis>
Peralta, G., Alvarez, C.R. & Taboada, M.A. 2021. Soil and Tillage Research.
211. 105022.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126056820/2021/07/27/soil-compaction-alleviation-by-deep-non-inversion-tillage-and-crop-yield-responses-in-no-tilled-soils-of-the-pampas-region-of-argentina-a-meta-analysis>
https://doi.org/10.1016/j.still.2021.105022
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This meta-analysis reviewed experimental results (32 field studies)
obtained throughout the Pampas Region in Argentina focused on the immediate
effects and duration of soil mechanical alleviation measured by relevant
soil physical properties and by the impact on maize and soybean yield.
Treatments were a) Control (no tilled soils), and b) Subsoiled (no tilled
soil subjected to mechanical compaction alleviation by deep non-inversion
tillage). Soil compaction alleviation works had a durability of not more
than 17 months (±2.8 months) after being performed. They conclude that deep
non-inversion tillage could be a promising practice to close rainfed crop
yield gaps in the region. But due to its low durability in time, further
compaction prevention and structural regeneration practices such as cover
crops, diversified crop rotations and controlled traffic will be needed
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126056820/2021/07/27/soil-compaction-alleviation-by-deep-non-inversion-tillage-and-crop-yield-responses-in-no-tilled-soils-of-the-pampas-region-of-argentina-a-meta-analysis>
<https://www.scoop.it/share/post/twitter/4126056820?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4126056820?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4126056820?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4126056820>
Conservation agriculture-related practices contribute to maize (Zea mays
L.) yield and soil improvement in Central Malawi
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126036395/2021/07/26/conservation-agriculture-related-practices-contribute-to-maize-zea-mays-l-yield-and-soil-improvement-in-central-malawi>
July 26, 1:46 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126036395/2021/07/26/conservation-agriculture-related-practices-contribute-to-maize-zea-mays-l-yield-and-soil-improvement-in-central-malawi>
Nyirenda, H. & Balaka, V. 2021. Heliyon. 7 (3). e06636.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126036395/2021/07/26/conservation-agriculture-related-practices-contribute-to-maize-zea-mays-l-yield-and-soil-improvement-in-central-malawi>
https://doi.org/10.1016/j.heliyon.2021.e06636
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This study looks at the benefits of CA practices over nine years in Malawi
with maize and maize intercropped with groundnut. The treatments were
farmer practice (FP), Pit planting+mulch (PPM), intercropping+mulch
(INM)and mulching (MC). Maize yields were higher with CA practices than FP
(4.0-4.4 vs 1.8 t/ha) and also improved soil properties. The land
equivalent ratio for maize and groundnut intercropping in INM was 1.77,
indicating beneficial intercropping efficiency. They conclude that CA
interventions contribute to increased crop yield, income, and soil
fertility restoration in the agricultural land but farmer adoption will
depend on the farmer's intention.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126036395/2021/07/26/conservation-agriculture-related-practices-contribute-to-maize-zea-mays-l-yield-and-soil-improvement-in-central-malawi>
<https://www.scoop.it/share/post/twitter/4126036395?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4126036395?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4126036395?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4126036395>
Can an incremental approach be a better option in the dissemination of
conservation agriculture? Some socioeconomic justifications from the
drylands of Morocco
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126036303/2021/07/26/can-an-incremental-approach-be-a-better-option-in-the-dissemination-of-conservation-agriculture-some-socioeconomic-justifications-from-the-drylands-of-morocco>
From linkinghub.elsevier.com
<https://linkinghub.elsevier.com/retrieve/articleSelectSinglePerm?Redirect=https://www.sciencedirect.com/science/article/pii/S0167198721001379?via%3Dihub&key=5b48c88855c376e3c56c6766925dbc3110e0ba58>
- July 26, 1:13 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126036303/2021/07/26/can-an-incremental-approach-be-a-better-option-in-the-dissemination-of-conservation-agriculture-some-socioeconomic-justifications-from-the-drylands-of-morocco>
Yigezu, Y.A., El-Shater, T., Boughlala, M., Devkota, M., Mrabet, R. &
Moussadek, R. 2021. Soil and Tillage Research. 212. 105067.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126036303/2021/07/26/can-an-incremental-approach-be-a-better-option-in-the-dissemination-of-conservation-agriculture-some-socioeconomic-justifications-from-the-drylands-of-morocco>
https://doi.org/10.1016/j.still.2021.105067
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This study uses an endogenous switching regression model to a nationally
representative sample of 1901 wheat fields in Morocco to analyze the
impacts of partial or full adoption of all three components of the CA
system. Model results show that adoption of the complete CA system leads to
307 kg/ha (35 %) higher yields, US$99/ha (44 %) higher gross margins, and
23 kg/capita/year (38 %) more consumption of wheat relative to the
conventional system. Adopting only two of the 3 pillars also leads to
improved livelihood indicators compared to adoption of only one or none of
the pillars. But adoption of one pillar is better than none. They conclude
transition from the conventional system to CA requires the following: (1)
flexibility to let farmers incrementally adopt one or more of the CA
components, learn at their own pace, use some of the benefits, and improve
it over time to exploit the full potential of the CA system with close
follow-up and technical support from experts and extension specialists; and
(2) sustained policy and institutional supports that provide incentives for
farmers to adopt and for the private sector to be actively involved,
especially in service provision.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126036303/2021/07/26/can-an-incremental-approach-be-a-better-option-in-the-dissemination-of-conservation-agriculture-some-socioeconomic-justifications-from-the-drylands-of-morocco>
<https://www.scoop.it/share/post/twitter/4126036303?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4126036303?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4126036303?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4126036303>
Impacts of herbicides on weeds, water productivity, and nutrient-use
efficiency in dry direct-seeded rice.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126035528/2021/07/26/impacts-of-herbicides-on-weeds-water-productivity-and-nutrient-use-efficiency-in-dry-direct-seeded-rice>
From link.springer.com
<https://link.springer.com/article/10.1007/s10333-020-00834-3> - July 26,
10:36 AM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126035528/2021/07/26/impacts-of-herbicides-on-weeds-water-productivity-and-nutrient-use-efficiency-in-dry-direct-seeded-rice>
Sen, S., Kaur, R., Das, T.K., Raj, R. & Shivay, Y.S. 2021. Paddy and Water
Environment. 19 (1) 227-238
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126035528/2021/07/26/impacts-of-herbicides-on-weeds-water-productivity-and-nutrient-use-efficiency-in-dry-direct-seeded-rice>
https://doi.org/10.1007/s10333-020-00834-3
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This paper concerns issues of weeds in direct seeded rice (DSR) rather than
no-till rice, but had some interesting results. They suggest that DSR can
save water, labor, energy, reduce GHG's and improve soil properties so
would be an important management system for rice in the future. However,
weed control is essential to achieve high yield and resource efficiencies.
Herbicides are one solution, but efficacy is influenced by weed species
present. This study evaluated pre- and post-emergent herbicides on weeds,
crops, economics, water productivity and nutrient efficiencies. Results
showed treatments reduced weeds by 68-84% compared to an unweeded control.
Net returns were also positive and even better than a weed free control.
They concluded that integrating herbicide use with brown manuring and hand
weeding was the best practice. In the brown manuring treatment, Sesbania
aculeata was broadcast in the rows between the line sown rice, with this
legume killed using 2,4 D after 28 days after seeding.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126035528/2021/07/26/impacts-of-herbicides-on-weeds-water-productivity-and-nutrient-use-efficiency-in-dry-direct-seeded-rice>
<https://www.scoop.it/share/post/twitter/4126035528?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4126035528?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4126035528?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4126035528>
Impact of no-tillage on water purification and retention functions of soil.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126077100/2021/07/28/impact-of-no-tillage-on-water-purification-and-retention-functions-of-soil>
From www.jswconline.org <https://www.jswconline.org/content/76/2/116> - Today,
3:47 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126077100/2021/07/28/impact-of-no-tillage-on-water-purification-and-retention-functions-of-soil>
Skaalsveen, K. & Clarke, L. 2021. Journal of Soil and water Conservation.
76 (2) 116-129.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126077100/2021/07/28/impact-of-no-tillage-on-water-purification-and-retention-functions-of-soil>
https://doi.org/10.2489/jswc.2021.00012
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This paper evaluated the chemical and physical processes in two different
agricultural soils under no-tillage and conventional management practices
to determine their impact on water related soil functions at field scale in
the United Kingdom.Two farms were monitored; one had used NT in 2013 and
the other conventional tillage with MB plow. Two soils were evaluated under
each farming practice over two years. The conversion to no-tillage changed
the soil structure, leading to a higher bulk density and soil organic
matter content and thereby increasing the soil moisture levels. These
changes impacted the denitrification rates, reducing the soil nitrate (NO3)
levels. The increased plant material cover under no-tillage increased the
levels of soil phosphate (PO43-) and PO43- leaching.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126077100/2021/07/28/impact-of-no-tillage-on-water-purification-and-retention-functions-of-soil>
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<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4126077100>
Winter cover crops and no-till promote soil macrofauna communities in
irrigated, Mediterranean cropland in California, USA.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126058193/2021/07/27/winter-cover-crops-and-no-till-promote-soil-macrofauna-communities-in-irrigated-mediterranean-cropland-in-california-usa>
From linkinghub.elsevier.com
<https://linkinghub.elsevier.com/retrieve/articleSelectSinglePerm?Redirect=https://www.sciencedirect.com/science/article/pii/S092913932100189X?via%3Dihub&key=3d653ba8d668ce967ab36be60ec2fc6e8bd2d105>
- July 27, 4:14 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126058193/2021/07/27/winter-cover-crops-and-no-till-promote-soil-macrofauna-communities-in-irrigated-mediterranean-cropland-in-california-usa>
Kelly, C., Fonte, S.J., Shrestha, A., Daana, K.M. & Mitchell, J.P. 2021.
Applied Soil Ecology. 166. 104068
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126058193/2021/07/27/winter-cover-crops-and-no-till-promote-soil-macrofauna-communities-in-irrigated-mediterranean-cropland-in-california-usa>
https://doi.org/10.1016/j.apsoil.2021.104068
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This study evaluated soil macrofauna communities and related soil quality
metrics in response to a 16-year winter cover crop and tillage trial
located in the San Joaquin Valley of California, USA. Overall macrofauna
abundance increased by 93% with the addition of cover crops in rotation,
and 50% with the elimination of tillage. Taxonomic richness increased by
48% with cover crops in treatments managed without tillage, though there
was no effect of cover crops under conventional tillage.Macrofauna
abundance was positively related to total soil carbon, water infiltration,
and soil aggregate stability. Macrofauna community composition was best
explained by soil carbon, water stable aggregate fraction, and cover crop
usage.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126058193/2021/07/27/winter-cover-crops-and-no-till-promote-soil-macrofauna-communities-in-irrigated-mediterranean-cropland-in-california-usa>
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<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4126058193>
Sustainability, productivity, profitability and soil health with
conservation agriculture based sustainable intensification of oilseed
brassica production system.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126057243/2021/07/27/sustainability-productivity-profitability-and-soil-health-with-conservation-agriculture-based-sustainable-intensification-of-oilseed-brassica-production-system>
From www.nature.com <https://www.nature.com/articles/s41598-021-92801-z> - July
27, 3:56 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126057243/2021/07/27/sustainability-productivity-profitability-and-soil-health-with-conservation-agriculture-based-sustainable-intensification-of-oilseed-brassica-production-system>
Jat, R.S., Choudhary, R.L., Singh, H.V., Meena, M.K., Singh, V.V. & Rai,
P.K. 2021. Scientific Reports. 11. Article number 13366.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126057243/2021/07/27/sustainability-productivity-profitability-and-soil-health-with-conservation-agriculture-based-sustainable-intensification-of-oilseed-brassica-production-system>
https://doi.org/10.1038/s41598-021-92801-z
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This study was undertaken on CA-based sustainable intensification of Indian
mustard for enhancing input efficiencies, farm profitability and
sustainability. Permanent beds with residue retention (PB + R) improved
mustard equivalent yield (11.4%) and system grain yield (10.6%) compared
with conventional tillage without residue (CT − R). Maize–mustard rotation
(Mz–M) increased system grain yield (142.9%) as well as mustard equivalent
yield (60.7%) compared with fallow-mustard (F-M). They conclude that
CA-based Mz–M system should be promoted in traditional rainfed
fallow-mustard areas to improve farm production and income and help make
the country self-sufficient in edible oils.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126057243/2021/07/27/sustainability-productivity-profitability-and-soil-health-with-conservation-agriculture-based-sustainable-intensification-of-oilseed-brassica-production-system>
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<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4126057243>
Response of boreal clay soil properties and erosion to ten years of no-till
management.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126058080/2021/07/27/response-of-boreal-clay-soil-properties-and-erosion-to-ten-years-of-no-till-management>
From linkinghub.elsevier.com
<https://linkinghub.elsevier.com/retrieve/articleSelectSinglePerm?Redirect=https://www.sciencedirect.com/science/article/pii/S0167198721001136?via%3Dihub&key=5a297ac318e29c76057209de9f68c50f6e314ad5>
- July 27, 3:13 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126058080/2021/07/27/response-of-boreal-clay-soil-properties-and-erosion-to-ten-years-of-no-till-management>
Honkanen, H., Turtola, E., Lemola, R., Heikkinen, J., Nuutinen, V.,
Uusitalo, R., Kaseva, J. & Regina, K. 2021. Soil and Tillage Research. 212.
105043.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126058080/2021/07/27/response-of-boreal-clay-soil-properties-and-erosion-to-ten-years-of-no-till-management>
https://doi.org/10.1016/j.still.2021.105043
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This study in Finland looked at soil physical, chemical and biological
properties, erosion and carbon allocation to soil physical fractions
between CT and NT at a clay soil site after 10 years. After 10 years
various soil properties and earthworm total density, mass and species
richness were determined. Total soil erosion was 56 % less in NT than in CT
although surface water discharge was higher in NT. NT had a clear effect on
the topsoil physical structure by decreasing the pore size and increasing
soil aggregate size. This paper didn't mention residue management. The
results showed that NT is an effective method to reduce erosion rates but
other means to increase carbon input especially below the topsoil layer are
likely required to achieve a significant increase in the carbon stock of
boreal clay soils.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126058080/2021/07/27/response-of-boreal-clay-soil-properties-and-erosion-to-ten-years-of-no-till-management>
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<https://www.scoop.it/share/post/linkedin/4126058080?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4126058080>
Uber for tractors? Opportunities and challenges of digital tools for
tractor hire in India and Nigeria
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126037305/2021/07/26/uber-for-tractors-opportunities-and-challenges-of-digital-tools-for-tractor-hire-in-india-and-nigeria>
From linkinghub.elsevier.com
<https://linkinghub.elsevier.com/retrieve/articleSelectSinglePerm?Redirect=https://www.sciencedirect.com/science/article/pii/S0305750X21000929?via%3Dihub&key=9fea666b14d58268c934bb0bc7001ec77211af3c>
- July 26, 1:54 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126037305/2021/07/26/uber-for-tractors-opportunities-and-challenges-of-digital-tools-for-tractor-hire-in-india-and-nigeria>
Daum, T., Villalba, R., Anidi, O., Mayienga, S.M., Gupta, S. & Birner, R.
2021. World Development. 144. 105480
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126037305/2021/07/26/uber-for-tractors-opportunities-and-challenges-of-digital-tools-for-tractor-hire-in-india-and-nigeria>
https://doi.org/10.1016/j.worlddev.2021.105480
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This interesting paper looks at the use of digital tools to allow farmers
to access mechanization using the Uber model. This service provider
provision for smallholder farmers was compared in India and Nigeria. How
does it work in practice? And what is its potential to reduce the
transaction costs of tractor service provision, both for tractor owners and
for smallholders who use tractor services? For the empirical analysis, a
mixed-methods approach was applied involving approximately 400 respondents
and comprising net-maps (a participatory mapping tool), focus group
discussions, interviews with tractor owners and other stakeholders, and a
survey among farmers. Overall, the paper shows that Uber for tractors is a
pioneering concept, but investment in enabling conditions, such as digital
literacy and network coverage, is required to harness the full potential of
such digital innovations for smallholder farmers in the developing world.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126037305/2021/07/26/uber-for-tractors-opportunities-and-challenges-of-digital-tools-for-tractor-hire-in-india-and-nigeria>
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<https://www.scoop.it/share/post/linkedin/4126037305?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4126037305>
Long-term effects of contrasting tillage systems on soil C and N pools and
on main microbial groups differ by crop sequence.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126037222/2021/07/26/long-term-effects-of-contrasting-tillage-systems-on-soil-c-and-n-pools-and-on-main-microbial-groups-differ-by-crop-sequence>
From linkinghub.elsevier.com
<https://linkinghub.elsevier.com/retrieve/articleSelectSinglePerm?Redirect=https://www.sciencedirect.com/science/article/pii/S0167198721000659?via%3Dihub&key=5bcf4ec9c6644451846a9145d61c5f364295c264>
- July 26, 1:25 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126037222/2021/07/26/long-term-effects-of-contrasting-tillage-systems-on-soil-c-and-n-pools-and-on-main-microbial-groups-differ-by-crop-sequence>
Badagliacca, G., Laudicina, V.A., Amato, G., Badalucco, L., Frenda, A.S.,
Giambalvo, D., Ingraffia, R., Plaia, A. & Ruisi, P. 2021. Soil and Tillage
Research. 211. 104995.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126037222/2021/07/26/long-term-effects-of-contrasting-tillage-systems-on-soil-c-and-n-pools-and-on-main-microbial-groups-differ-by-crop-sequence>
https://doi.org/10.1016/j.still.2021.104995
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This long term study in Italy looked at the combined effects of the tillage
system and crop sequence on SOC and biochemical properties associated with
improved soil health. After 23 years of CT and NT, with continuous wheat vs
a wheat-faba bean rotation soil samples were taken from 0-15 and 15-30 cm
at three times during the year. Long-term NT increased total organic C
(TOC) at a yearly rate of 0.17 g kg−1. This in turn stimulated microbial
biomass, in particular Gram-negative bacteria. No differences were observed
with regard to fungal biomass. Long-term NT varied widely by crop sequence,
whereas in CT changes in biochemical characteristics and in the main
microbial groups due to crop sequence were modest.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126037222/2021/07/26/long-term-effects-of-contrasting-tillage-systems-on-soil-c-and-n-pools-and-on-main-microbial-groups-differ-by-crop-sequence>
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<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4126037222>
Impacts of tillage practice on the productivity of durum wheat in Ethiopia
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126035694/2021/07/26/impacts-of-tillage-practice-on-the-productivity-of-durum-wheat-in-ethiopia>
From www.tandfonline.com
<https://www.tandfonline.com/doi/full/10.1080/23311932.2020.1869382> - July
26, 11:15 AM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126035694/2021/07/26/impacts-of-tillage-practice-on-the-productivity-of-durum-wheat-in-ethiopia>
Deast, B.T., Gezahegn, A.M. & Tesema, S.E. 2021. Cogent Food and
Agriculture. 7 (1) 1869382.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126035694/2021/07/26/impacts-of-tillage-practice-on-the-productivity-of-durum-wheat-in-ethiopia>
https://doi.org/10.1080/23311932.2020.1869382
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
The investigation was carried out on a farmer's field at two locations in
Ethiopia.. The objective was to evaluate the impacts of conservation
tillage on the productivity of durum wheat.Treatments were CT and reduced
tillage (RT) with and without residue and one plowing at seeding plus
roundup. Wheat yield increased by 44% at one site with RT+residue compared
to RT-residue. CT yield was 23% higher compared to one plowing at seeding
plus roundup. The highest net return was the RT+residue in the dryland area.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4126035694/2021/07/26/impacts-of-tillage-practice-on-the-productivity-of-durum-wheat-in-ethiopia>

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