A farmer after testing the soil, reports you that his land is poor in nitrogen content. What suggestive
measures you provide to him?
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He can grow leguminous plants along with other crops by mixed cropping or crop rotation. The symbiotic bacteria Rhizobium forms root nodules in legume plants and fixes atmospheric nitrogen as nitrate salts in the soil which increases fertility of the soil. Biofertilizers Eg : Nostoc, Anabaena can also be used to increase soil fertility.
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