Question

Nitrogen deficency of soil can be removed by

Answer 1

Nitrogen deficiency of soil can be removed by planting leguminous plants like pulses. This is because they fix nitrogen in soil because of the presence of rhizomes in them.

Answer 2

Answer: Crop rotation is a simple process of growing alternatively legume crops after every cycle of a commercial crop. The leguminous plant have root nodules in which nitrogen fixing bacteria resides which convert atmospheric nitrogen into usable forms by plants and hence increase the fertility of the soil.

Broadcasting is a method of throwing seeds randomly on the soil for germination. Transplantation is the process of uprooting in replanting the plants at some other place. Multiple cropping is growing two or more crops together in the same piece of land in the same season.These cannot help in curing the Nitrogen deficiency of the soil.

Thus, the correct answer is 'Crop rotation.'

Explanation:

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