______ comes as a timely help to Indian farmers in times of crop failures.

Residual soil and _________ are the two classification of soil on the basis of mineral matter in it.

Indian farmers consider _____ as a subsidiary source of income.

Turnip is an example of

_________ soil is the soil which is formed from rocks which come down to some other palce and then weathering and other process take place on them.

The use of land is directly linked with:

Soil is available up to a depth of

_____ countries are more advanced in agriculture.

Who produce food for all animals?

The total land on the planet earth measures