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Farmers in a particular region were conc...

Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause ddecrease in the yield. Which treatment could be more benificial to obtain maximum seed yield?

A

Frequent irrigaion of crop

B

Treatment of the plants with cytokinins alonng with a small dose of nitrogenous fertilizer

C

Removal of all yellow leaves and spraying the remaning green leaves with 2, 4, 5- trichlorophenoxy acetic acid

D

Application of iron and magnesium to promote synthesis of chlorophyll

Text Solution

Verified by Experts

The correct Answer is:
D
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An agricultural officer during his field visit noticed the yellowing of leaves and low yielding nature.of coconut trees. He recommended NPK mixture and other minerals in the following ratio. NPK =3 Kg /plant Zinc -2gm/plant Boron - 5mg/plant Farmer applied the nutrients as per recommendation. After six months all the coconut trees produced green healthy leaves and coconuts. a. What is the criteria used by the - agricultural officer for such a recommendation? b. Can the same recommendation be applied to other crops for obtaining the same result? c. Make appeal to farmers against the blind use of fertilisers.

Knowledge Check

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

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