The ash of the weeds are spread on the soil to increase its
A
Fertility
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B
Porosity
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C
Salt retention capability
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D
Both A and B
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Solution
The correct option is D Both A and B Jhoom farming or cultivation is also known as slash and burn agriculture. It is practiced in the areas with thick forest such as Arunachal Pradesh, Meghalaya, Mizoram, etc. In this, a portion of forest is cleared by burning all the trees and weeds in that portion to produce ash. Due to burning, the soil density decreases and thereby increasing the porosity of the soil. Burnt weeds increase the potash content of the soil and thereby increasing the fertility of the soil. Seeds are dropped on it and maize, chilies, rice, etc are grown.