Soils of India Test 1

A synonym for soil conservation is protection.

Desert soil requires lots of water for the cultivation of crops.

Red soil appears red due to the presence of iron.

Humus is dark, organic material that forms in soil when plant and animal matter decays. When plants drop leaves, twigs, and other material to the ground, it piles up. ... The thick brown or black substance that remains after most of the organic litter has decomposed is called humus.

Terrace farming soil conservation methods involve changing a steep hill into smaller, flatter fields

Planting of trees and grass to cover and bind the soil with their roots to prevent erosion is called afforestation.

Black soils are poor in nitrogen, phosphorus and organic matter. The soils are generally rich in the montmorillonitic and beidellitic group of clay minerals. It is most suitable for the growth of cotton. It is also known or cotton soil as a reason.

 Alluvial soils are by far the largest and the most important soil group of India. Covering about 15 lakh sq km or about 45.6 per cent of the total land area of the country, these soils contribute the largest share of our agricultural wealth and support the bulk of India's population.

Mountain soil is most suitable to grow fruits like apples, pears, peaches and plums

Alluvial soil is found in the regions of Indo-Gangetic plains, Punjab, Haryana, Uttar Pradesh, Bihar, West Bengal, Assam as well as in the northern parts of Gujarat. Alluvial soil is formed by depositions from surface water and thus is also known as depositional soils.