Give four importance of soil loosening.
Answers
This is an interesting question mainly because I think the way soil is loosened matters as much as why it is.
In general, farmers used to fully till and plow their fields to control weeds. By turning over the soil, they would give themselves a chance to start a crop off to compete with weeds, then they would cultivate later to control weeds and to break up the soil or aerate it.
More recently though, farmers have loosened the soils more with cover crops and used conservation tillage or no-till. This let's the soil build natural aeration from the roots as they decay in this soil and provides greater water-holding capacity, soil structure as well as earthworm habitat and more. Weeds still need to be controlled but that is done through competitive cover crops and herbicides.
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Answer:
Roots penetrate deep into the soil and breathe easily, water holding capacity of soil increases. Helps in the growth of microbes and earthworm which help in turning the soil and add Humus in soil. The nutrient-rich soil comes up and nutrients are absorbed by plants