Farmers in a particular region were concerned that premature yellowing of leaves of a pulse crop might cause a decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?

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

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