Question
According to CRIDA how much is the Depth at which Deep
Ploughing is done?ÂSolution
Deep tillage or deep ploughing: Central Research Institute for Dryland Agriculture (CRIDA), Hyderabad classified ploughing according to depth as under: Depth          Categories 5-6 cm         Shallow ploughing 15-20 cm       Medium deep ploughing 25-30 cm       Deep ploughing
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