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Amir Kassam <[log in to unmask]>
Tue, 1 Nov 2022 14:41:41 +0000
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*Global CA-CoP* *CONSERVATION AGRICULTURE COMMUNITY OF*

*for sustainable agriculture, land use and ecosystem management*


Dear Subscribers,

Please see below the November 2022 Cornell Conservation Agriculture
Research Newsletter.

Thank you Professor Hobbs for sharing.

Apologies for any cross-posting.


*Amir Kassam *

*Moderator*

*Global CA-CoP*

e-mail: [log in to unmask]

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



*Regional CA websites:*

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

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

---------- Forwarded message ---------
From: Peter Hobbs <[log in to unmask]>
Date: Tue, 1 Nov 2022 at 13:57
Subject: November 2022 Cornell CA Research Newsletter
To: Amir Kassam <[log in to unmask]>


Dear Amir: Here is our November 2022 Cornell 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. Please use this link since we had to move our web site to a
new server and this links takes you to the CA web site.

Many thanks for helping to distribute this. Peter

[image: Conservation Agriculture Research Updates - November 2022]
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag>
Conservation Agriculture Research Updates - November 2022
<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>

Soil organic matter fractions in an Oxisol under tillage systems and winter
cover crops for 26 years in the Brazilian subtropics.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137442755/2022/10/30/soil-organic-matter-fractions-in-an-oxisol-under-tillage-systems-and-winter-cover-crops-for-26-years-in-the-brazilian-subtropics>
From www.scielo.br
<http://www.scielo.br/j/brag/a/VD3C98LTVtd7Z7T6fjCrcjJ/?lang=en> - Today,
9:14 AM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137442755/2022/10/30/soil-organic-matter-fractions-in-an-oxisol-under-tillage-systems-and-winter-cover-crops-for-26-years-in-the-brazilian-subtropics>
Amadori, C., Conceicao, P.C., Casali, C.A., dos SantosCanalli, L.B.,
Calegari, A. & Dieckow, J. 2022. Bragantia: Soil and Plant Nutrition
article. 81. Article number e3622.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137442755/2022/10/30/soil-organic-matter-fractions-in-an-oxisol-under-tillage-systems-and-winter-cover-crops-for-26-years-in-the-brazilian-subtropics>
https://doi.org/10.1590/1678-4499.20210352
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This study aimed to assess after 26 years the long-term effect of
conventional tillage (CT) and no-tillage (NT) combined with winter cover
crops, black oat and oilseed radish, and fallow on C accumulation and
stabilization in a  clayey Oxisol in Southern Brazil. Soil samples were
collected from 3 depths. NT had a higher percentage of macroaggregates and
C stock in this size-class, and also higher C stock in bulk soil, free-POM
and occluded-POM fractions than CT in 0-0.05 m depth due to higher input of
biomass and minimum soil mobilization in NT. Oat and radish had higher C
stock in macroaggregates than fallow in 0.05-0.10 m depth. They conclude
that after 26 years of NT improved C accumulation and stabilization, mainly
in the superficial layer. Also winter cover crops favored the formation and
stability of macroaggregates.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137442755/2022/10/30/soil-organic-matter-fractions-in-an-oxisol-under-tillage-systems-and-winter-cover-crops-for-26-years-in-the-brazilian-subtropics>
<https://www.scoop.it/share/post/twitter/4137442755?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4137442755?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4137442755?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4137442755>
Bacterial Communities in the Rhizosphere at Different Growth Stages of
Maize Cultivated in Soil Under Conventional and Conservation Agricultural
Practices.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137430596/2022/10/29/bacterial-communities-in-the-rhizosphere-at-different-growth-stages-of-maize-cultivated-in-soil-under-conventional-and-conservation-agricultural-practices>
From doi.org <https://doi.org/10.1128/spectrum.01834-21> - October 29, 5:21
PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137430596/2022/10/29/bacterial-communities-in-the-rhizosphere-at-different-growth-stages-of-maize-cultivated-in-soil-under-conventional-and-conservation-agricultural-practices>
Navarro-Noya, Y.E., Chavez-Romero, Y., Hereira-Pacheco, S., Lorenzana, A.S
de L., Govaerts, B., Verhulst, N. & Dendooven, L. 2022. Microbiology
Spectrum. 10 (2) Article number 01834
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137430596/2022/10/29/bacterial-communities-in-the-rhizosphere-at-different-growth-stages-of-maize-cultivated-in-soil-under-conventional-and-conservation-agricultural-practices>
https://doi.org/10.1128/spectrum.01834-21
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This paper looks at the effect of agricultural practices in the maize
rhizosphere on soil bacterial communities in Mexico. Maize and bulk
rhizosphere soil from conventional (CP) and CA practices were sampled at
three growth stages and used 16S rRNAto assess bacterial diversity and
community structure. Results showed that CA positively affected soil
bacteria compared to CP. The bacterial community in the maize bulk soil
resembled each other more than in the rhizosphere of CA and CP. Although
agricultural practices did not alter the effect of the rhizosphere on the
soil bacterial communities in the flowering and grain filling stage, they
did in the vegetative stage.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137430596/2022/10/29/bacterial-communities-in-the-rhizosphere-at-different-growth-stages-of-maize-cultivated-in-soil-under-conventional-and-conservation-agricultural-practices>
<https://www.scoop.it/share/post/twitter/4137430596?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4137430596?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4137430596?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4137430596>
Ch 17. Conservation Agriculture: The Future of Indian Agriculture
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137430291/2022/10/29/ch-17-conservation-agriculture-the-future-of-indian-agriculture>
From www.taylorfrancis.com
<https://www.taylorfrancis.com/chapters/edit/10.4324/9781003292487-21/conservation-agriculture-raj-gupta-abrol-sharma>
- October 29, 4:10 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137430291/2022/10/29/ch-17-conservation-agriculture-the-future-of-indian-agriculture>
Gupta, R.K., Abrol, I.P. & Sharma, A.R. 2022. 11 pages. In. Sharma, A.R.
(Ed). Conservation Agriculture in India: A Paradigm Shift for Sustainable
Production. Routledge, London.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137430291/2022/10/29/ch-17-conservation-agriculture-the-future-of-indian-agriculture>
https://doi.org/10.4324/9781003292487-21
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This is last chapter in the book on CA in India, by Sharma, listed earlier.
The authors indicate that CA has the potential to contribute to
sustainability of food production and reversal of soil degradation in
India. It also enhances the efficiency of applied inputs and optimizes land
and water use. They also write that the CA approach has to be
operationalized in an eco-regional or resource management domain framework
and integrate the focus of research on short- and long-term resource use
problems. CA also needs institutional innovations for organizing
multi-disciplinary farmer participatory research teams that provide
integrated solutions of regionally defined problems.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137430291/2022/10/29/ch-17-conservation-agriculture-the-future-of-indian-agriculture>
<https://www.scoop.it/share/post/twitter/4137430291?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4137430291?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4137430291?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4137430291>
Conservation Agriculture in India: A Paradigm Shift for Sustainable
Production
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137345323/2022/10/27/conservation-agriculture-in-india-a-paradigm-shift-for-sustainable-production>
From www.routledge.com
<https://www.routledge.com/Conservation-Agriculture-in-India-A-Paradigm-Shift-for-Sustainable-Production/Sharma/p/book/9781032273877>
- October 27, 11:53 AM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137345323/2022/10/27/conservation-agriculture-in-india-a-paradigm-shift-for-sustainable-production>
Sharma, A.R. (Ed.). 2022. 370 pages and 17 chapters. Routledge. London.
ISBN: 978-1-00-329248-7
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137345323/2022/10/27/conservation-agriculture-in-india-a-paradigm-shift-for-sustainable-production>
https://www.routledge.com/Conservation-Agriculture-in-India-A-Paradigm-Shift-for-Sustainable-Production/Sharma/p/book/9781032273877#
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This is a new book published in 2022 that looks at many aspects of CA
situation, adoption, management, and future outlook in India. The chapters
cover the various aspects of crop management such as soil, water,
nutrients, weeds, crop residues, machinery, and energy, in a range of
environments, including irrigated and rainfed regions. The impact of
climate change and the economic considerations behind the adoption of
conservation agriculture are also discussed. There are 4 distinct sections
as follows: Part I: Conservation Agriculture: Global Scenario and Status in
India - 4 chapters Part II: Management Options for Higher Resource Use
Efficiency -- 6 chapters Part III: Soil Health and Greenhouse Gas Emissions
-- 4 chapters Part IV: Economics, Adoption, and Future of Conservation
Agriculture -- 3 chapters.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137345323/2022/10/27/conservation-agriculture-in-india-a-paradigm-shift-for-sustainable-production>
<https://www.scoop.it/share/post/twitter/4137345323?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4137345323?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4137345323?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4137345323>
Ch 17. Building Resilience to Climate Change by Adopting Conservation
Agriculture in the Smallholder Farming Systems
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137300566/2022/10/26/ch-17-building-resilience-to-climate-change-by-adopting-conservation-agriculture-in-the-smallholder-farming-systems>
From link.springer.com
<https://link.springer.com/chapter/10.1007/978-981-16-6771-8_17> - October
26, 8:17 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137300566/2022/10/26/ch-17-building-resilience-to-climate-change-by-adopting-conservation-agriculture-in-the-smallholder-farming-systems>
Parwada, C., Chipomho, J., Mandumbu, R. 2022. In. Mupambwa, H.A., Nciizah,
A.D., Nyambo, P., Muchara, B. & Gabriel, N.N (Eds.) Food Security for
African Smallholder Farmers. Springer, Singapore. Pages 281-294.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137300566/2022/10/26/ch-17-building-resilience-to-climate-change-by-adopting-conservation-agriculture-in-the-smallholder-farming-systems>
https://doi.org/10.1007/978-981-16-6771-8_17
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This chapter 17 in the book "Food Security for African Smallholder Farmers"
was selected to highlight the importance of CA adoption to help mitigate
climate change in Southern Africa. Crop yields in the smallholder sector
have continued to decline, and farmers whose livelihoods rely on
agriculture are poor and food-insecure. This chapter provides a review on
how the farmers can build resilience to climate change through adoption of
conservation agriculture (CA). Conservation agriculture has several
positive attributes, which enable crop productivity in semi-arid regions of
southern Africa. Among other advantages, CA maintains or improves soil
structure; reduces soil exposure to water and wind erosion; increases water
infiltration and reduces loss through evaporation. Minimum soil disturbance
slows organic matter breakdown and mineralization resulting in organic
carbon build-up.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137300566/2022/10/26/ch-17-building-resilience-to-climate-change-by-adopting-conservation-agriculture-in-the-smallholder-farming-systems>
<https://www.scoop.it/share/post/twitter/4137300566?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4137300566?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4137300566?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4137300566>
Can no-till restore soil organic carbon to levels under natural vegetation
in a subtropical and tropical Typic Quartzipisamment?
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137300004/2022/10/26/can-no-till-restore-soil-organic-carbon-to-levels-under-natural-vegetation-in-a-subtropical-and-tropical-typic-quartzipisamment>
From doi.org <https://doi.org/10.1002/ldr.3822> - October 26, 4:57 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137300004/2022/10/26/can-no-till-restore-soil-organic-carbon-to-levels-under-natural-vegetation-in-a-subtropical-and-tropical-typic-quartzipisamment>
de Oliveira Ferreira, A., de Moraes Sa, J.C., Rattan, L., Jorge Carneiro
Amado, T., Massao Inagaki, T., Briedis, C. & Tivet, F. 2021.
Land Degradation and Development. 32 (4) 1742-1750.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137300004/2022/10/26/can-no-till-restore-soil-organic-carbon-to-levels-under-natural-vegetation-in-a-subtropical-and-tropical-typic-quartzipisamment>
https://doi.org/10.1002/ldr.3822
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This study looks at CA as a way to restore degraded sandy soils in Brazil.
This study aimed at assessment of the recovery of SOC stocks in the soil
profile (0–1.0 m depth) in a Typic Quartzipisamment in subtropical and
tropical climates over 20 years, in comparison with the neighboring soil
under native vegetation (NV). SOC content was determined by the dry
combustion method using an elemental C and N analyzer. Soil C stock was
calculated based on the equivalent soil mass. Approximately 31 and 23% of
the SOC stock was stored in the surface at 0–0.20 m, compared with 69 and
77% in 0.20–1.0 m layer of a Typic Quartzipisamment with high and
low/medium input of crop residues, respectively. They conclude that NT with
high addition of biomass-C can restore these sandy soils.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137300004/2022/10/26/can-no-till-restore-soil-organic-carbon-to-levels-under-natural-vegetation-in-a-subtropical-and-tropical-typic-quartzipisamment>
<https://www.scoop.it/share/post/twitter/4137300004?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4137300004?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4137300004?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4137300004>
Combined Effect of Disc Coulters and Operational Speeds on Soil Disturbance
and Crop Residue Cutting under No-Tillage System in Soil Bin.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137252453/2022/10/25/combined-effect-of-disc-coulters-and-operational-speeds-on-soil-disturbance-and-crop-residue-cutting-under-no-tillage-system-in-soil-bin>
From op.niscair.res.in
<http://op.niscair.res.in/index.php/JSIR/article/view/40333> - October 25,
5:18 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137252453/2022/10/25/combined-effect-of-disc-coulters-and-operational-speeds-on-soil-disturbance-and-crop-residue-cutting-under-no-tillage-system-in-soil-bin>
Kumar, N., Sawant, C.P., Sharma, R.K., Chhokar, R.S., Tiwari, P.S., Singh,
D., Roul, A.K., Tripathi, S.C., Gill, S.C. & Singh, G.P. 2021. Journal of
Scientific and Industrial Research. 80 (9) 739-749.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137252453/2022/10/25/combined-effect-of-disc-coulters-and-operational-speeds-on-soil-disturbance-and-crop-residue-cutting-under-no-tillage-system-in-soil-bin>
https://doi.org/10.56042/jsir.v80i09.40333
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This is an interesting paper looking at different residue cutting disc
coulters for no-tillage in black cotton soils in India. They used different
forward speeds of residues of rice, maize and wheat. They collected data on
penetration depth, top width, soil disturbance and residue cutting. The
least soil disturbance was observed for star wheel disc coulter under maize
residue followed by notched, curved teeth, plain and cutter bar blade disc
coulter. The change in forward speed did not produce significant effect on
residue cutting.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137252453/2022/10/25/combined-effect-of-disc-coulters-and-operational-speeds-on-soil-disturbance-and-crop-residue-cutting-under-no-tillage-system-in-soil-bin>
<https://www.scoop.it/share/post/twitter/4137252453?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4137252453?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4137252453?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4137252453>
Carbon sequestration potential of rice-based cropping systems under
different tillage practices
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137248369/2022/10/25/carbon-sequestration-potential-of-rice-based-cropping-systems-under-different-tillage-practices>
From doi.org <https://doi.org/10.12871/00021857202132> - October 25, 11:08
AM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137248369/2022/10/25/carbon-sequestration-potential-of-rice-based-cropping-systems-under-different-tillage-practices>
Rao, K.K., Samal, S.K., Kumar, M., Naik, S.K., Bhatt, B.P., Prakash, V.,
Mondal, S., Choubey, A.K., Dalal, R.C., Mishra, J.S. & Kumar, U. 2021.
Agrochimica. 65 (3) 229-246.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137248369/2022/10/25/carbon-sequestration-potential-of-rice-based-cropping-systems-under-different-tillage-practices>
https://doi.org/10.12871/00021857202132

*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This 4-year study looked at the effect of different tillage practices and
cropping systems on total organic carbon fractions and water stable
aggregates in the EGP of India. there were 3 rice cropping systems, and
three tillage practices -- CT, RT and RT with 30% residue retention RTR30.
The Rice-lentil, RTR30 had the highest carbon stock, TOC, organic fractions
and aggregated associated organic carbon. However, RT treatments had
increased macro-aggregate size and its associated carbon suggesting a high
potential for carbon sequestration reducing carbon loss by reducing tillage.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137248369/2022/10/25/carbon-sequestration-potential-of-rice-based-cropping-systems-under-different-tillage-practices>
<https://www.scoop.it/share/post/twitter/4137248369?forceAnonymous=1>
<https://www.scoop.it/share/post/facebook/4137248369?forceAnonymous=1>
<https://www.scoop.it/share/post/linkedin/4137248369?forceAnonymous=1>
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4137248369>
Conservation agriculture improves agronomic, economic, and soil fertility
indicators for a clay soil in a rainfed Mediterranean climate in Morocco
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137431193/2022/10/29/conservation-agriculture-improves-agronomic-economic-and-soil-fertility-indicators-for-a-clay-soil-in-a-rainfed-mediterranean-climate-in-morocco>
From linkinghub.elsevier.com
<https://linkinghub.elsevier.com/retrieve/pii/S0308521X22001068> - October
29, 5:36 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137431193/2022/10/29/conservation-agriculture-improves-agronomic-economic-and-soil-fertility-indicators-for-a-clay-soil-in-a-rainfed-mediterranean-climate-in-morocco>
Devkota, M., Devkota, K.P. & Kumar, S. 2022. Agricultural Systems. 201.
Article number 103470.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137431193/2022/10/29/conservation-agriculture-improves-agronomic-economic-and-soil-fertility-indicators-for-a-clay-soil-in-a-rainfed-mediterranean-climate-in-morocco>
https://doi.org/10.1016/j.agsy.2022.103470
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
Climate change is causing declining rainfall (more variability) and
increasing temperature extremes and when added to declining soil fertility,
food security in rainfed Morocco is threatened. The objective of this study
was to systematically evaluate agronomic, economic, and soil fertility
indicators under CA and conventional tillage (CT) using field
experimentation (medium-term) and simulation modeling (long-term) for a
clay soil in Morocco. They looked at the effect of CA on wheat, barley,
lentil and chickpea to determine yield, stability, profits, WUE, and soil
fertility. They also used Dynamic simulation modeling to assess the
long-term effect of adopting CA and CT in these cereal rotations. Both
their 5-year field experiment and the modeling showed that adoption of CA
improves a range of agronomic, economic and soil fertility indicators
compared to CT.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137431193/2022/10/29/conservation-agriculture-improves-agronomic-economic-and-soil-fertility-indicators-for-a-clay-soil-in-a-rainfed-mediterranean-climate-in-morocco>
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<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4137431193>
Effect of Conservation Tillage and Precision Nitrogen Management on Wheat:
A Review.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137430501/2022/10/29/effect-of-conservation-tillage-and-precision-nitrogen-management-on-wheat-a-review>
From journalijpss.com
<https://journalijpss.com/index.php/IJPSS/article/view/2166> - October 29,
5:00 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137430501/2022/10/29/effect-of-conservation-tillage-and-precision-nitrogen-management-on-wheat-a-review>
Shukla, A., Kumar, M. & Shukla, A. 2022. International Journal of Plant &
Soil Science. 34 (21) 87-97.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137430501/2022/10/29/effect-of-conservation-tillage-and-precision-nitrogen-management-on-wheat-a-review>
https://doi.org/10.9734/ijpss/2022/v34i2131245

*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This paper reviews CA use in wheat in India, since wheat represents a major
60% crop system in Indian agriculture represents the backbone and the
future of the country's economy. This study aimed to review the research
studies where precision nitrogen management technologies were applied in
conservation agriculture and discussed the effects of these tools and
techniques on wheat growth, productivity, and nutrient usage efficiency
(NUE). Their findings concluded that productivity and NUE of wheat grown in
furrow irrigated raised beds (FIRB) performed better while zero tillage
fared better economically than other tillage methods.Precise nitrogen
management involving LCC, SPAD, NE, GS, and targeted yield not only
increased growth, yield and NUE but also turned out more profitable than a
blanket application of N.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137430501/2022/10/29/effect-of-conservation-tillage-and-precision-nitrogen-management-on-wheat-a-review>
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<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4137430501>
Ch 1. Conservation Agriculture for Sustainable Intensification: Global
Options and Opportunities.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137347211/2022/10/27/ch-1-conservation-agriculture-for-sustainable-intensification-global-options-and-opportunities>
From www.taylorfrancis.com
<https://www.taylorfrancis.com/chapters/edit/10.4324/9781003292487-2/conservation-agriculture-sustainable-intensification-amir-kassam-saharawat-abrol>
- October 27, 12:09 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137347211/2022/10/27/ch-1-conservation-agriculture-for-sustainable-intensification-global-options-and-opportunities>
Kassam, A., Saharawat, Y.S. & Abrol, I.P. 2022. In. Sharma, A.R. (Ed.)
Conservation Agriculture in India: A Paradigm Shift for Sustainable
Production. 17 pages. Routledge, London.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137347211/2022/10/27/ch-1-conservation-agriculture-for-sustainable-intensification-global-options-and-opportunities>
https://doi.org/10.4324/9781003292487-2

*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This introductory chapter of the new book on CA in India writes about the
importance of CA as one management system important for future sustainable
production of food and agriculture globally. The indicate that CA is
opening up ways of food production that are more profitable, improves
livelihoods and enhances ecosystem services. They recommend CA needs to be
promoted for the benefit of the farmer, wherever he or she may be farming,
however poor or rich, small or large, as well for the society and the
planet. All disciplines and people have a role to play because the option
and opportunity, which we all must seize, is at the level of a paradigm
change. The paper also provides data on the adoption of CA globally.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137347211/2022/10/27/ch-1-conservation-agriculture-for-sustainable-intensification-global-options-and-opportunities>
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<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4137347211>
Differential Response of Soil Microbial Diversity and Community Composition
Influenced by Cover Crops and Fertilizer Treatments in a Dryland Soybean
Production System
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137345246/2022/10/27/differential-response-of-soil-microbial-diversity-and-community-composition-influenced-by-cover-crops-and-fertilizer-treatments-in-a-dryland-soybean-production-system>
From www.mdpi.com <https://www.mdpi.com/2073-4395/12/3/618> - October 27,
11:44 AM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137345246/2022/10/27/differential-response-of-soil-microbial-diversity-and-community-composition-influenced-by-cover-crops-and-fertilizer-treatments-in-a-dryland-soybean-production-system>
Narayana, N.K., Kingery, W.L., Shankle, M.W. & Shanmugam, S.G. 2022.
Agronomy. 12 (3) Article number 618.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137345246/2022/10/27/differential-response-of-soil-microbial-diversity-and-community-composition-influenced-by-cover-crops-and-fertilizer-treatments-in-a-dryland-soybean-production-system>
https://doi.org/10.3390/agronomy12030618
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This study looks at the impact of various soil management practices on soil
microbial diversity in a no-till dryland soybean system in the USA.
Treatments included cover crops and nutrient management including the use
of poultry manure. Targeted amplicon sequencing of 16S rRNA and ITS2 genes
was used to study the bacterial and fungal community composition. Poultry
litter amendment and cover crops significantly influenced soil bacterial
diversity. Fertilizer sources had different bacterial populations while
cover crops influenced the fungal communities. Differential enrichment of
advantageous bacterial (Proteobacteria, Actinobacteria and Acidobacteria)
and fungal (Mortierellomycota) phyla was observed across the treatments.
They propose a long-term study to provide more inferences on soil microbial
community response to management changes.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137345246/2022/10/27/differential-response-of-soil-microbial-diversity-and-community-composition-influenced-by-cover-crops-and-fertilizer-treatments-in-a-dryland-soybean-production-system>
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Double zero tillage and foliar phosphorus fertilization coupled with
microbial inoculants enhance maize productivity and quality in a
maize–wheat rotation.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137302512/2022/10/26/double-zero-tillage-and-foliar-phosphorus-fertilization-coupled-with-microbial-inoculants-enhance-maize-productivity-and-quality-in-a-maize-wheat-rotation>
From www.nature.com
<https://www.nature.com/articles/s41598-022-07148-w> - October
26, 8:01 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137302512/2022/10/26/double-zero-tillage-and-foliar-phosphorus-fertilization-coupled-with-microbial-inoculants-enhance-maize-productivity-and-quality-in-a-maize-wheat-rotation>
Harish, M.N., Choudhary, A.K., Kumar, S., Dass, A., Singh, V.K., et.al.,
2022. Scientific Reports. 12. Article number 3161.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137302512/2022/10/26/double-zero-tillage-and-foliar-phosphorus-fertilization-coupled-with-microbial-inoculants-enhance-maize-productivity-and-quality-in-a-maize-wheat-rotation>
https://doi.org/10.1038/s41598-022-07148-w
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This study evaluated a maize-wheat system (MWCS) using 4 crop establishment
and tillage practices: Flat bed (FB)–conventional tillage both in maize and
wheat; Raised bed (RB)–CT in maize and ZT in wheat); FB but ZT both in
maize and wheat); Permanent raised bed (PRB–ZT both in maize and wheat.
Also five P-fertilization practices. Double zero-tilled PRBZT–PRBZT system
significantly enhanced the maize grain, starch, protein and oil yield by
13.1–19% over conventional FBCT–FBCT. P50 + PSB + AMF + 2FSP, integrating
soil applied-P, microbial-inoculants and foliar-P, had significantly higher
grain, starch, protein and oil yield by 12.5–17.2% over P100. They conclude
that double zero-tilled PRBZT–PRBZT with crop residue retention at 6 t/ha
per year along with P50 + PSB + AMF + 2FSP while saving 34.7% fertilizer-P
in MWCS is the best treatments.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137302512/2022/10/26/double-zero-tillage-and-foliar-phosphorus-fertilization-coupled-with-microbial-inoculants-enhance-maize-productivity-and-quality-in-a-maize-wheat-rotation>
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<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4137302512>
Influence of 9 years of permanent raised beds and contour furrowing on soil
health in conservation agriculture based systems in Tigray region, Ethiopia
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137253376/2022/10/25/influence-of-9-years-of-permanent-raised-beds-and-contour-furrowing-on-soil-health-in-conservation-agriculture-based-systems-in-tigray-region-ethiopia>
From doi.org <https://doi.org/10.1002/ldr.3816> - October 25, 5:40 PM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137253376/2022/10/25/influence-of-9-years-of-permanent-raised-beds-and-contour-furrowing-on-soil-health-in-conservation-agriculture-based-systems-in-tigray-region-ethiopia>
Araya, T., Gebremedhin, A., Baudron, F., Hailemariam, M., Birhane, E.,
Nyssen, J., Govaerts, B. & Cornelis, W. 2021. Land Degradation and
Development. 32 (3) 1525-1539.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137253376/2022/10/25/influence-of-9-years-of-permanent-raised-beds-and-contour-furrowing-on-soil-health-in-conservation-agriculture-based-systems-in-tigray-region-ethiopia>
https://doi.org/10.1002/ldr.3816
*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This long term study evaluated and reports on CA, but with bed and furrow
planting on soil health using teff, wheat, barley and grass-pea in
Ethiopia. They used permanent raised beds (PRB) and contour furrowing (CF)
and  conventional tillage (CT). Soil from 0-10 cm depth was used for
evaluating soil health and crop yield. Arbuscular mycorrhizal fungi spore
abundance and root colonization was higher in PRB followed by CF compared
to CT. Higher straw and grain yield were recorded for PRB, CF and CT,
respectively. A PSEM model highlighted two pathways in which CA-based
systems contributed to improved productivity: (a) via higher density of
bacteria and improved hydraulic conductivity, and (b) via higher density of
fungi and increase soil organic carbon content in the topsoil. They
conclude that CA can improve yield through improving soil health.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137253376/2022/10/25/influence-of-9-years-of-permanent-raised-beds-and-contour-furrowing-on-soil-health-in-conservation-agriculture-based-systems-in-tigray-region-ethiopia>
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<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag?rescoopPostId=4137253376>
Agricultural practices modulate the bacterial communities, and nitrogen
cycling bacterial guild in rhizosphere: field experiment with soybean
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137250289/2022/10/25/agricultural-practices-modulate-the-bacterial-communities-and-nitrogen-cycling-bacterial-guild-in-rhizosphere-field-experiment-with-soybean>
From doi.org <https://doi.org/10.1002/jsfa.10893> - October 25, 11:30 AM
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137250289/2022/10/25/agricultural-practices-modulate-the-bacterial-communities-and-nitrogen-cycling-bacterial-guild-in-rhizosphere-field-experiment-with-soybean>
Singh, U., Choudhary, A.K. & Sharma, S. 2021. Journal of the Science of
Food and Agriculture. 101 (7) 2687-2695.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137250289/2022/10/25/agricultural-practices-modulate-the-bacterial-communities-and-nitrogen-cycling-bacterial-guild-in-rhizosphere-field-experiment-with-soybean>
https://doi.org/10.1002/jsfa.10893

*Cornell Conservation Agriculture Group (soilhealth.org)*'s insight:
This paper promotes integrated practices that can promote the soil
microbiome to enhance productivity. The study looked at rhizospheric
N-cycling community  of soybeans under CA, CT, and organic including raised
beds. Results showed that CA on raised beds, zero tillage, crop residue
retention, and application of NPK nutrients favorably affected plant
attributes and the abundance of the N cycling bacterial community compared
to the CT treatments. They conclude that this helped understand the
enhanced plant growth under CA.
<https://www.scoop.it/topic/conservation-agriculture-by-conservation-ag/p/4137250289/2022/10/25/agricultural-practices-modulate-the-bacterial-communities-and-nitrogen-cycling-bacterial-guild-in-rhizosphere-field-experiment-with-soybean>
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