What is the term for the ability of soil to retain and

Red leaf in cotton is caused due to deficiency

First crops that were cultivated on earth were:

World Forestry Day is celebrated on

ICAR has classified soil into

Milk is an excellent source of

Ribboning is process of peeling out raw bark from the green plant immediately after harvest is done in which fibre crop?

Although plants not dead, but plants will die if water is not added, the condition is termed as

Urea contains nitrogen in

Which of the following order of insects has maximum number of parasitoides?

Maize crop originated from