Erosion risk is significantly reduced when there is more than 30% soil cover. Using dgps, soil sample maps were generated and the data interpolated. Plants prevent wind and water erosion by covering the soil and binding the soil with their roots. Mulches and mulching for erosion control this technical note is subdivided into the following sections. Preventing and managing erosion environment, land and.
Here, using an empirical model, we present a global and temporally explicit assessment of soil erosion risk according to recent 200120 dynamics of rainfall and vegetation cover change to identify. Soil erosion is the wearing away of the land surface. Because soil erosion is such an important issue to farmers, any practice that will help prevent water runoff or helps to maintain the strength of the soil structure will be beneficial. Surface cover is a major factor to control erosion because it reduces the impact of raindrops falling on bare soils and wind removing soil particles. Soil erosion is one of the main threats driving soil degradation across the globe with important impacts on crop yields, soil biota, biogeochemical cycles, and ultimately human nutrition. To combine the benefits of conservation tillage soil conservation with the. A workshop in support of the thematic strategy for soil protection.
Soil is the most fundamental and basic natural resource for all life to survive. Sv fertilizer application control, were carried out. Turf, ornamental grass, and low, spreading shrubs work best since they cover the soil completely. Water and wind erosion are two main agents that degrade soils. Global vulnerability of soil ecosystems to erosion. On slopes that are being eroded away, slowing down of surface water is needed.
In either scenario, the land is stripped bare of valuable natural resources. Pdf vulnerability assessment of soil erosion based on. Soil erosion is a natural process in which particles of soil are moved by wind and water, and displaced to another location. It also reduces the speed of water flowing over the land. The control and prevention of soil erosion necessitate the. Pdf soil erosion is a critical environmental problem throughout the worlds terrestrial. Runoff washes away the soil particles from sloping. Here rain infiltration, antecedent moisture, and seepage flow combine to largely. Taskgroup 2 nature and extent of soil erosion in europe.
Some excellent plants that help to prevent soil erosion are creepers because instead of growing straight up, they spread on the ground by crawling around. Pdf rising population and decreasing cultivable land pose a great challenge to. Pdf soil erosion and management strategies researchgate. Bare soil is easily swept away by wind and water, the two main causes of erosion. Development of management strategies to control soil erosion in.
466 160 922 19 1571 674 1096 210 196 419 1532 1098 1496 1555 255 1126 406 1471 1052 309 814 1583 830 1376 819 1535 365 1393 1665 548 1422 1367 946 1038 577 24 1232 1037 207