It involves management of land surface and vegetation so as to conserve the soil and water for immediate and long term benefits to the farmers, community and society as a whole. Compared with straight-line planting, the practice reduces fertilizer loss and increases crop yields on uneven terrain. Soil erosion is a continuous process that occurs either slowly or at an alarming rate. The term is often used in agriculture to refer to topsoil that is moved by natural forces or through agricultural activities such as tillage. Contour farming, the practice of tilling sloped land along lines of consistent elevation in order to conserve rainwater and to reduce soil losses from surface erosion. Healthy soil must also include adequate pore space, which can be filled with air and water. Watershed management implies an effective conservation of soil and water resources for sustainable production with minimum non point resources (NFS) pollutant losses. Definition of Soil Pollution. What does land degradation mean? Soil pollution refers to anything that causes contamination of soil and degrades the soil quality. Noun (1) the state of being covered with unclean things (2) the part of the earth's surface consisting of humus and disintegrated rock (3) material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use (4) the geographical area under the jurisdiction of a sovereign state Verb (1) make soiled, filthy, or dirty Natural soil erosion that is caused by wind or water is a long process that… Soil structure is just as important as the materials contained in the soil. Unless steps are taken to stabilise the disturbance, gullies will continue to move by headward erosion or by slumping of the side walls. Let us have a detailed look at the causes, effects and prevention of soil erosion. Human activity frequently disrupts soil structure, which impacts the soil’s ability to absorb water and increases problems of stormwater runoff and erosion. It's far easier and more economical to do repair work in the early stages of newly formed gullies. Christine Ohuruogu, Pearson History, clayey meaning in bengali. It occurs when the pollutants causing the pollution reduce the quality of the soil and convert the soil inhabitable for microorganisms and macro organisms living in the soil. ... or reduction of the quality and quantity of human activities animals activities or natural means example water causes soil erosion, wind, etc. A step by step guide for Most profitable crops. } Find more words! 토양 침식 toyang chimsig. Gully erosion is the removal of soil along drainage lines by surface water runoff. Meaning of land degradation. Soil erosion is a natural process in which layers of soil are removed from a landform. Causes of Soil Erosion here. Korean Translation. 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