Deep black soil is productive, due to high proportion of

Soil pollution is due to

Reduction of soil productivity due to addition of harmful chemcials is termed ……soil pollution.

When soils are deficient in oxygen and have high proportion of salts or toxic substances the process of active absorption

When soils are deficient in oxygen and have high proportion of salts or toxic substances the process of active absorption

When soils are deficient in oxygen and have high proportion of salts or toxic substances the process of active absorption

When soils are deficient in oxygen and have high proportion of salts or toxic substances the process of active absorption

Black soil is mostly found in which part of India ?