In a recent breakthrough, researchers from the University of the Witwatersrand in South Africa have developed a new technique that could help farmers in the Sahel region of Africa grow more crops. The technique, called ZA, uses a combination of water-conserving methods and crop rotation to help farmers improve soil productivity and reduce the risk of drought. The team has already tested the technique on a small scale in the region, with promising results.

The ZA technique works by using a combination of methods, such as using cover crops, growing multiple crops together, and rotating crops each season. This helps to improve soil fertility and structure, and conserve water. The technique also helps to reduce the risk of drought, as the alternating crops create a more balanced mix of moisture in the soil. By increasing soil fertility and reducing water stress, the technique can help farmers in the Sahel region to increase crop yields and improve their livelihoods.

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source: Phys.org