Crop rotation is carried out for
Increasing acidity of soil
Decreasing fertility of soil
Increasing fertility of soil
All the above
It’s obvious.
Which disease is caused in children due to excessive use of nitrate fertilizers
Aquatic fern which is an excellent biofertilizer
Due to which of the following organism, yield of rice is increased
Which of the following is non-symbiotic biofertilizer
Assertion : Leguminous plants are nitrogen fixers.
Reason : Leguminous plants have Rhizobium in their root nodules.
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