Conservation agriculture (CA) practices are gaining traction in South Africa, and CA has resulted in many farmers increasing the potential of their soils to a point where the whole agro-ecological system is regenerated. This is why the term regenerative agriculture is often favoured.
These practices also lead to crops being better protected against threats like drought, climate change, pests, diseases and increasing input costs. Thanks to no-till cultivation and cover crops, farmers are also making a significant contribution to reducing greenhouse gas emissions and sequestering carbon in the soil. This has the added potential of earning farmers extra income through carbon credits.
To gain the utmost benefit from these systems, Dr Hendrik Smith, conservation agricultural facilitator at ASSET Research and the Maize Trust, explains that the trifecta of a no-till system, permanent organic soil cover and biodiversity is needed.
“Minimal disturbance of the soil, a permanent soil cover and the trampling effect of cattle grazing on diverse cover crops, together with the micro-organisms and nutrients they support in the soil through manure and urine, create the best scenario for capturing carbon and lowering a farm’s carbon footprint.”
Studies undertaken under the CA Farmer Innovation Programme in the summer rainfall cropping areas of South Africa, which have been funded by the Maize Trust and implemented by ASSET Research, show that the most benefits could be obtained from a three-year rotation system. In the first year, a relay winter cover crop is planted in between a maize crop in around February. In the second year, this field is planted to a multispecies summer and winter cover crop, early enough in the season to allow for it to be grazed three times, recovering between grazing.
هذه القصة مأخوذة من طبعة October 15, 2021 من Farmer's Weekly.
ابدأ النسخة التجريبية المجانية من Magzter GOLD لمدة 7 أيام للوصول إلى آلاف القصص المتميزة المنسقة وأكثر من 9,000 مجلة وصحيفة.
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هذه القصة مأخوذة من طبعة October 15, 2021 من Farmer's Weekly.
ابدأ النسخة التجريبية المجانية من Magzter GOLD لمدة 7 أيام للوصول إلى آلاف القصص المتميزة المنسقة وأكثر من 9,000 مجلة وصحيفة.
بالفعل مشترك? تسجيل الدخول
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