Write use of soil.

Write name of soil pollutants.

Write name of soil pollutants.

Which organism is most useful for soil fertility

A : Intensive agriculture leads to negative soil pollution. R : It increases useful mineral contents in top layer of soil.

Solve the following crossword puzzle with the clues given: Across 2. Plantation prevents it. 5. Use should be banned to avoid soil pollution. 6. Type of soil used for making pottery. 7. Living organism in the soil. Down 1. In desert soil erosion occurs through. 3. Clay and loam are suitable for cereals like. 4. This type of soil can hold very little water. 5. Collective name for layers of soil.

Write Characteristics of A-horizon of soil .

Write a short eassy on soil erosion.