Relevant Competitive Tests:
Sustainable technologies to improve soil fertility and physical condition:
A. Balance use of NPK fertilizers according to the need of crops.
B. Following proper crop rotation (shallow rooted and deep root crops) in the cropping session.
C. Regular use of FYM, Composts, acidic mulches, Green manures and Organic fertilizers to increase OM content of Soil.
D. All of the aboveCorrect Answer
Correct Option: D. All of the above
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