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Subject:
From:
Amir Kassam <[log in to unmask]>
Reply To:
Amir Kassam <[log in to unmask]>
Date:
Wed, 8 Dec 2021 15:52:18 +0000
Content-Type:
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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 a paper on Short term Gains or Long-term
sustainability -- a synthesis of Conservation Agriculture long-term
experiments in Southern Africa by  Christian Thierfeldera and Blessing
Mhlanga.

https://www.dropbox.com/s/wwv2vikd9m8mpqw/Thierfelder%20and%20Mhlanga.2022.%20Short%20term%20gains%20or%20Long%20term%20Sustainability-1.pdf?dl=0

Thank you Christian for sharing.

*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: THIERFELDER, Christian Lutz (CIMMYT-Zimbabwe) <[log in to unmask]
>
Date: Mon, 6 Dec 2021 at 17:25
Subject: Short term Gains or Long-term sustainability
To: THIERFELDER, Christian Lutz (CIMMYT-Zimbabwe) <[log in to unmask]>


Dear Friends and Colleagues,



A new publication has just seen its light. It summarizes work on LT trials
in 4 countries and suggests that:



a) CA systems outperform conventional tillage practices over time although
at some sites the general yield trend of all cropping systems is downward
whereas in others it is maintained or its trend is upward; b) trial sites
that involved a rotation with legumes outperformed continuous sole maize
systems, indicating the need for diversification in CA systems not only to
suppress pest and diseases but also to improve soil quality, water- and
nutrient-use efficiency; c) most benefits were evident under low to
moderate rainfall and in well-draining soils, indicating that CA systems
will be most beneficial under such circumstances.



Enjoy the read!



Christian





*Dr. Christian Thierfelder* | Principal Cropping Systems Agronomist,
Strategic Leader Africa



*International Maize and Wheat Improvement Center (CIMMYT) - Southern
Africa Regional Office*

P.O. Box MP 163, Mount Pleasant, Harare, Zimbabwe

*email:* [log in to unmask]  *skype:* chthierfelder  *cel:* +263
772815230



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