Agri Books

Soil Fertility

Soil Productivity

1. It is an index of available nutrient to plants

1. It is used to indicate crop yields.

2. Influenced by the physical, chemical and biological factors of the soil.

2. Depends upon fertility and location.

3. It is the function of available nutrients of the soil.

3. It is the function of soil fertility, management and climate.

4. All fertile soils are not productive.

4. All productive soils are fertile.

5. It is an inherent property of the soil.

5. It is not the inherent property of the soil.

6. It is evaluated by soil testing in laboratory

6. It is evaluated by crop production.