Question

Loss of upper fertile layer of soil is known as​

Answer 1

Answer:

Soil erosion is removal of top soil by agency of water (water erosion) and wind (wind erosion). Soil erosion is of two types- natural and anthropogenic. 

Natural or geological erosion is extremely slow removal of top soil due to rain water or wind. 

Anthropogenic soil erosion is caused by removal of plant cover through over grazing, litter collection, tree felling, leaving the soil unprotected during agricultural operations.

Pedogenesis is the process of soil formation.

Podsol is base poor acidic soil formed by leaching of basic minerals. The process of formation of podsol is called as podsolization.

Answer 2

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Soil erosion

is correct answer

Explanation:

Soil erosion is removal of top soil by agency of water (water erosion) and wind (wind erosion). Soil erosion is of two types- natural and anthropogenic. Natural or geological erosion is extremely slow removal of top soil due to rain water or wind