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Crop rotation is used by farmers to increase

Organic content of soil
Nitrogenous content of soil
Soil fertility
All of these
Additional Questions

During anaerobic digestion of organic waste, such as in producing biogas, which one of the following is left undergraded?

Answer

In paddy fields biological nitrogen fixation is chiefly brought by

Answer

Study the followings related to uses of plants and identify the correct match for the sorghum and cotton respectively.

I. Blood purification and organic fertilizer.

II. Animal feed and paper industry

III. B Vitamin and cosmetics.

IV. Explosives and organic fertilizer.

The correct pair is:

Answer

Agriculture by using only biofertilizers is called

Answer

Bacterial leaf blight of rice is caused by a species of:

Answer

Which of the following is a symbiotic nitrogen fixer?

Answer

A symbiotic relationship/interaction in which one species benefits and the other species is not affected is called:

Answer

Which one of the following is not used in organic farming?

Answer

Organism like Escherichia coli and Chlamydia trachomatis fall into which domain?

Answer

Organisms called Methanogens are most abundant in a

Answer
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