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The rows formed slow surface water run-off during rainstorms to prevent soil erosion and allow the water time to infiltrate into the soil. Soil conservation is the prevention of loss of the topmost layer of the soil from erosion or prevention of reduced fertility caused by over usage, acidification, salinization or other chemical soil contamination
Soil management is the application of operations, practices, and treatments to protect soil and enhance its performance (such as soil fertility or soil mechanics). It includes soil conservation , soil amendment , and optimal soil health .
The width of strips is determined by a number of factors, with the two most important being the average wind velocity in a specific site and the features of the slope, particularly the gradient. [3] Each strip typically ranges from 25 feet (7.6 m) to 75 feet (23 m) in width, but certain conditions may necessitate widths outside of this range. [4]
The key activities to conserve water are as follows: Any beneficial reduction in water loss, use and waste of resources. [3] Avoiding any damage to water quality. Improving water management practices that reduce the use or enhance the beneficial use of water. [4] [5] One of the strategies in water conservation is rainwater harvesting. [8]
During the second session of the 74th Congress, the U.S. Congressional session amended the Soil Conservation Act of 1935 by passing Pub. L. 74–461 and renaming the legislation the Soil Conservation and Domestic Allotment Act with the express purpose of encouraging the use of soil resources in such a manner as to preserve and improve fertility ...
Tillage erosion is the soil movement and erosion by tilling a given plot of land. [3] A similar practice is contour bunding where stones are placed around the contours of slopes. Contour plowing has been proven to reduce fertilizer loss, power, time consumption, and wear on machines, as well as to increase crop yields and reduce soil erosion.
The early conservation movement evolved out of necessity to maintain natural resources such as fisheries, wildlife management, water, soil, as well as conservation and sustainable forestry. The contemporary conservation movement has broadened from the early movement's emphasis on use of sustainable yield of natural resources and preservation of ...
When heavy machinery is used to clear forests or develop land, the soil becomes compacted. When the soil is compacted, the soil particles are packed tightly together. Soil compaction results in water supply not being absorbed by tree roots and can be deadly to the growth of trees. Soil compaction also can create flooding.