Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might caused decrease in the yield. Which treatment could be most be most beneficial to obtain maximum seed yield?
A. Removal of all yellow leaves and spraying the remaining green leaves with 2, 4, 5-trichlorophenoxy acetic acid
B. Application of iron and magnesium to promote synthesis of chlorophyll
C. Frequent irrigation of the crop
D. Treatment of the plants with cytokinins alongwith a small dose of nitrogenous fertilizer.
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