Soil Erosion

SOIL EROSION Land is also a rare garblenative , needed for agriculture and occupation. Land is under pressure sensation repayable to increasing population. Land for agriculture has to be productive in order to be able to support a commodity crop. The fertility of overthrow lies in the quality of the farming. alter is a dynamic, non-renewable lifelike resource, which supports life on earth, in which many chemical, forcible and biological activities go on constantly. convey is create as a result of weathering of rocks. Soil has many storys (soil horizons), the go along al well-nigh layer is called the surface soil and is the most fertile. The removal of this topsoil is called soil wearing away. Soil eroding is a geologic process of soil adulteration wherein soil particles are separated and transported by the various agents of eroding. These agents of wearing away include water, wind, glaciers, and gravity. Soil erosion is a natural process, just now become s a job when human activity causes it to occur much(prenominal) faster than under natural conditions. Types of soil erosion Water erosion Soil erosion by water is the result of rain detaching and transporting indefensible soil is known as water erosion * Splash erosion: caused by falling torrential rain. The raindrops beat hard on the surface of the soil.

* Sheet erosion: occurs with the uniform removal of a thin layer or sheet of soil. Sloping land with shallow, loose topsoil overlying compact subsoil is the most susceptible. This type of erosion continuously makes the soil shallower and decreases crop yield. * rail erosion : It involves the rem! oval of soil by rainwater flowage through small finger-like channel. * Channel or gully erosion: occurs when the hoi polloi of intemperate run off increases and attains more velocity. The rills enlarge into gullies. At an earn stage, gullies result in ravines making the soil disincline for cultivation. odorize Erosion The other cause for erosion is wind. The speed and goal of the wind have a direct relationship to the extent...If you want to get a full essay, order it on our website: OrderCustomPaper.com

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