24 Sep Soil erosion and its impact on agriculture
मृदा क्षरण और कृषि पर इसका असर Soil erosion is a major problem in Agriculture. Tonnes of soil are lost from fields every year. This is not only reduces crop production, but also the eroded soil acts as a pollutant to rivers, lakes and other water systems. Soil is the top layer of the earth’s surface that is capable of sustaining life. Therefore, soil is very important to farmers, who depend on soil to provide abundant, healthy crops each year. One major problem in agriculture is soil erosion. Soil erosion is the deterioration or detachment of soil particles from one place to another place by the action of different medium in a given site. Wind, water, ice, animals, and the use of tools by man are usually the main causes of soil erosion. Erosion is a natural process which usually does not cause any major problems. It becomes a problematic when anthropogenic activities are much faster than under normal conditions. Worldwide, farmers are losing an estimated 24 billion tonnes of top soil every year. Topsoil contains most of the soil’s nutrients, organic matter, and pesticides which are necessary for crop cultivation. Soil erosion causes these substances to move also. Therefore, fertilizers and organic matter must be added in an attempt to restore the soil to its...