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Elements of Soil Convervation

The erosion problem in the states; Extent of erosion; Effects of erosion; How erosion takes place; Rates of and runoff; Climate and soil erosion; Rainfall penetration; A national program of soil conservation; Planning for conservation of soil and water; Use of vegetation in soil and water conservation; Contouring; Terracing; Channels and outlets; Gully control; Control of erosion on stream banks; Water spreading; Wildlife and soil conservation; Farm ponds for water storage; Stubble-mulch farming; Farm drainage; Farm irrigation; The place of trees and in soil and water conservation.

Từ khóa: Khoa học đất, Soil science

11 p ovanketv 25/08/2020 306 1

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