Soil Fertility
Soil Fertility: Overview
This topic covers concepts, such as, Soil Profile, Soil Fertilization, Light and CO2 limitations, Soil Depletion & Irrigation Water Effects etc.
Important Questions on Soil Fertility
Which of the following are the effects of soil depletion?

Which of the following statement(s) is/are correct regarding soil depletion?
A. This leads to poor crop yields.
B. It occurs when the components which contribute to fertility are removed and not replaced.

Which of the following atmospheric gases is detected using a non-dispersive infrared (NDIR) analyzer?

Which of the following is responsible for high rate of photosynthesis in plants?

Which one of the following plants is used for green manuring in India ?

Montmorillonite is the dominant clay mineral in which of the following soils?

Which of the following element is not a structural component of plants?

Which of the following is called ‘white alkali soils’?

Which of the following is called ‘quick lime’?

The capacity of soil to produce crop yield is called:

Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land?

The rate of absorption of water _____ with increase in salt concentration in the soil.

Peat Soil is formed _____.

‘Pedology’ is the study of _____.
