Question

Explain five methods of soil conservation.

Answer 1

Soil conservation is the preventing of soil loss from erosion or reduced fertility caused by over usage, acidification, salinization or other chemical soil contamination.

Slash-and-burn and other unsustainable methods of subsistence farming are practiced in some lesser developed areas. A sequel to the deforestation is typically large scale erosion, loss of soil nutrients and sometimes total desertification. Techniques for improved soil conservation include crop rotation, cover crops, conservation tillage and planted windbreaks and affect both erosion and fertility. When plants, especially trees, die, they decay and become part of the soil. Code 330 defines standard methods recommended by the U.S. Natural Resources Conservation Service. Farmers have practiced soil conservation for millennia.

Answer 2

Answer
.......................... Method...............................
* Contour ploughing
* .terrace farming
*.Keyline design
* .Perimeter runoff control.
Windbreaks
* .Cover crops/crop rotation
*
.Soil-conservation farming.
* Salinity management.

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