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Sender:
Global Community of Practice on Conservation Agriculture <[log in to unmask]>
Date:
Mon, 11 Mar 2019 20:49:56 +0000
Reply-To:
Amir Kassam <[log in to unmask]>
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From:
Amir Kassam <[log in to unmask]>
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Dear Subscribers,

Please see attached an article entitled "Meta-analysis on carbon
sequestration through Conservation Agriculture in Africa" By Emilio
Gonzalez-Sanchez et al. (2019). Soil & Tillage 190: 22-30.

Thank you for sharing Professor Gonzalez-Sanchez..

*Amir Kassam *

*Moderator*

*Global CA-CoP*

e-mail: [log in to unmask]
URL: www.fao.org/ag/ca



*Conservation Agriculture is an ecosystem approach to regenerative
sustainable agriculture and land management based on the practical
application of context-specific and locally adapted three interlinked
principles of: (i) Continuous no or minimum mechanical soil disturbance
(no-till seeding/planting and weeding, and minimum soil disturbance with
all other farm operations including harvesting);  (ii) permanent
maintenance of soil mulch cover (crop biomass, stubble and cover crops);
and (iii) diversification of cropping system (economically, environmentally
and socially adapted rotations and/or sequences and/or associations
involving annuals and perennials, including legumes and cover crops), along
with other complementary good agricultural production and land management
practices. Conservation Agriculture systems are present in all continents,
involving rainfed and irrigated systems including annual cropland systems,
perennial systems, orchards and plantation systems, agroforestry systems,
crop-livestock systems, pasture and rangeland systems, organic production
systems and rice-based systems. Conservation Tillage, Reduced Tillage and
Minimum Tillage are not Conservation Agriculture, and nor is No-Till on its
own* (more at: www.fao.org/ag/ca).

---------- Forwarded message ---------
From: Emilio González (UCO-ETSIAM) <[log in to unmask]>
Date: Mon, 11 Mar 2019 at 18:24
Subject: Meta-analysis on carbon sequestration through Conservation
Agriculture in Africa
To: Amir Kassam <[log in to unmask]>

Dear Amir,



I would appreciate if you could distribute our latest article to the Global
CA-CoP CONSERVATION AGRICULTURE COMMUNITY OF PRACTICE.



The conclusions follow:



*Conservation Agriculture is a promising sustainable agricultural system,
as it can effectively contribute to mitigating global warming, being able
to sequester carbon in the soil, thus offsetting agricultural and
non-agricultural CO2 emissions. CA is a proven and effective agricultural
system that African countries need to promote to fulfill the international
agreements and initiatives related to climate change mitigation and
adaptation, such as the Paris agreement on climate change, the 4p1000
initiative and the Adaptation of African Agriculture (AAA).*



*Carbon sequestration rates in Africa are in agreement with those found in
other meta-analyses performed in other agroclimatic regions. As performed
in this review, the accounting methodology for carbon*

*sequestration in agricultural soils should be based on the relative gains
when compared to conventional tillage-based agriculture. In addition, and
with regard to African carbon sinks, areas of annual and perennial cropping
systems when converted to CA should be accounted for as new net carbon
gains, both in the carbon markets and the international climate change
agreements.*



*According to the estimation of the climate change mitigation capacity
through CA in Africa there exists an enormous C sink potential which is
around 93 times greater than under the current situation, i.e.*

*at present only around 1.1% of the overall C sequestration potential
through CA is used.*



For colleagues outside our CoP, I would suggest to share the link to the
article via ScienceDirect:
https://www.sciencedirect.com/science/article/pii/S0167198718313953?via%3Dihub



Best regards,



Emilio





Prof Dr Emilio González-Sánchez



[image: https://almargen.com/wp-content/uploads/2015/03/logo-ETSIAM.jpg][image:
cid:image008.jpg@01D4D83E.D9653E90][image:
cid:image006.jpg@01D29F00.E438A6A0]



School of Agricultural

and Forestry Engineering

University of Cordoba (Spain)

www.uco.es/cemtro

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