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