Question

2.how do legminous plants help in increase fertility of soil?
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Answer 1

Answer:

Leguminous plant increase the soil fertility because they fix nitrogen in the soil. Leguminous plants contain rhizobium bacteria in their root nodules. These bacteria convert atmospheric nitrogen to a form which can be used by plants. This decreases nitrogen deficiency in the soil and makes it fertile.

Answer 2

Answer:

Leguminous plants contain rhizobium bacteria in their root nodules. These bacteria convert atmospheric nitrogen to a form which can be used by plants. This decreases nitrogen deficiency in the soil and makes it fertile