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Why microorganisms are essential for agriculture?
a. Microorganisms are called because they act upon degradable wastes. During the process, nitrates and other inorganic nutrients are released into the soil, making the soil fertile. This compost is called .
b. bacteria found in the root nodules of leguminous plants enrich the soil by fixing nitrogen from the atmosphere as , which are necessary for plant growth.
c. aids in the prevention of insect control.
d. aids in root protection and control of plant pathogens.
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