Question

d. Why Rhizobium can be used as an effective biological fertilizer?​

Answer 1

Answer:

Rhizobium are a group of Gram-negative soil bacteria that are well known for their symbiotic relationship with various leguminous (soybeans, alfalfa etc).

There are different types of Rhizobium that are categorized on the basis of the rate of growth and the type of plant they are associated with.

Some species of Rhizobium include:

R. leguminosarum

R. alamii

R. lentis

R. japonicum

R. metallidurans

R. smilacinae

R. phaseoli

R. trifolii

Answer 2

Answer:

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Explanation:

Rhizobium is effective biological fertilizer as converts atmosphere nitrogen into nitrate which can be consumed by plants.

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