Soil Erosion and Soil Conservation

Which one of the following soils properties does not change by dropping and cultivation?

A soil with $20 me/100 g$. CEC and $5 me/100 g$ Exchangeable H will have a base saturation of which of the following percentage ?

As we all know that the present pattern of agricultural growth has resulted in a variety of environmental degradation of soil, water, air and bio-diversity. Which of the following is/are the main practice(s) of the present pattern of agriculture, which has given birth to such degradation?

1. Excess use of chemical inputs in the form of fertilizers, pesticides/ insecticides and boosters.

2. Abandonment of traditional practices built over several millennia.

3. Continuous logging of land through multiple cropping.

According to Planning Commission, the degraded soil of which one of the following States poses a big threat to food security and can cause serious economic implications to the nation?

In which of the following tillage operations organic residues are not inverted into the soil such that they remain on the surface as a protective cover against erosion?

The soil with low shearing strength and high compressibility is _____.

Which soils are formed from chemical decomposition of rocks?

Earth’s body of soil is the known as _____. 

Odum has described soil erosion as _____. 

If the topsoil has been eroded, we retire a land and grow over _____. 

Soil erosion in plains consequent to rainfall is initiated by _____. 

The cutting of trees from the forests of hill near a catchment area _____. 

Side effect of heavy and constant grazing is that the _____. 

The ecological equilibrium in mined areas can be achieved by _____. 

Mulching helps in _____. 

Main indicator of soil erosion is _____. 

Soil conservation means _____.

Which is the most effective crop in controlling soil erosion?

Deforestation may reduce the chances of:

Which is the main causative factor for desertification?