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 beneficial to obtain maximum seed yield?

Options

A. Application of iron and magnesium to promote synthesis of chlorophyll
B. Frequent irrigation of the crop
C. Treatment of the plants with cytokinin along with a small does of nitrogenous fertilizer
D. Removal of all yellow leaves and spraying the remaining green leaves with 2, 4, 5-trichlorophenoxy acetic acid

Answer

C