Question

A farmer is selecting a tillage practice for a rainfed field where soil moisture conservation is critical. The field has considerable crop residue that can protect the soil surface from evaporation and erosion. Which practice is most consistent with conservation-oriented management?

A Repeated intensive ploughing
B Removing all residue and burning it
C Keeping the soil bare throughout the season
D Frequent shallow cultivation after every rainfall
E Residue-retaining reduced/no-tillage approach
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