Soil Fertility

IMPORTANT

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

MEDIUM
IMPORTANT

Which of the following are the effects of soil depletion?

MEDIUM
IMPORTANT

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.

EASY
IMPORTANT

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

EASY
IMPORTANT

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

MEDIUM
IMPORTANT

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

MEDIUM
IMPORTANT

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

MEDIUM
IMPORTANT

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

MEDIUM
IMPORTANT

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

MEDIUM
IMPORTANT

Which of the following is called ‘quick lime’?

MEDIUM
IMPORTANT

The capacity of soil to produce crop yield is called:

MEDIUM
IMPORTANT

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?

EASY
IMPORTANT

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

EASY
IMPORTANT

Peat Soil is formed _____.

EASY
IMPORTANT

‘Pedology’ is the study of _____.