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Vasily Vasilevich Dokuchaev is commonly regarded as the father of soil science, the study of soils in their natural setting. He developed soil science in Russia and was perhaps the first to conduct broad geographical investigations of different soil types. His contribution to science figuratively "put soils on the map".
Arthur Casagrande (August 28, 1902 – September 6, 1981) was an American civil engineer born in Austria-Hungary who made important contributions to the fields of engineering geology and geotechnical engineering during its infancy.
Soil type plays a less important role in the frequency of irrigation. Soil erosion is lessened. Weed growth is lessened. Water distribution is highly uniform, controlled by the output of each nozzle. Labour cost is less than other irrigation methods. Variation in supply can be regulated by regulating the valves and drippers.
The latter becomes soil under the influence of a series of soil-forming factors—climate, vegetation, country, relief and age. According to him, soil should be called the "daily" or outward horizons of rocks regardless of the type; they are changed naturally by the common effect of water, air and various kinds of living and dead organisms. [2]
William Albert Albrecht (September 12, 1888 – May 19, 1974) [1] [2] chairman of the Department of Soils at the University of Missouri, was the foremost authority on the relation of soil fertility to human health and earned four degrees from the University of Illinois at Urbana–Champaign.
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The Universal Soil Loss Equation (USLE) is a widely used mathematical model that describes soil erosion processes. [1]Erosion models play critical roles in soil and water resource conservation and nonpoint source pollution assessments, including: sediment load assessment and inventory, conservation planning and design for sediment control, and for the advancement of scientific understanding.
He invented novel equipment as part of the work. In 1924 he published Erdbaumechanik auf Bodenphysikalischer Grundlage (The Mechanics of Earth Construction Based on Soil Physics) which would have a profound impact on the field. [6] That resulted in a job offer from the Massachusetts Institute of Technology (MIT) which he accepted.