Farmers in a particular region we concerned that pre-mature yellowing leaves of a pulse crop might cause decrease the yield which treatment could be me beneficial to obtain maximum seed yield ?

Options

A. Frequent irrigation of the crop
B. Treatment of the plants with cytokin alongwith a small dose of nitrogen fertilizr
C. Removal of all yellow leaves and spray the remaining green leaves with 2, 5-trichlorophenoxy acetic acid
D. Application of iron and magneisum promote synthesis of chlorophyII