Mineral Nutrition In Plants Question 48

Question: Fertility of the soil in rice fields can be improved by [MP PMT 1992]

Options:

A) Gypsum

B) Sodium chloride

C) Blue-green algae

D) Rhizobium

Show Answer

Answer:

Correct Answer: C

Solution:

Aulosira fertilissima (Blue-green algae) is an important nitrogen fixer of rice fields.

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