2020•Crops & SoilsOpen access

Understanding Soil Erosion by Water to Improve Soil Conservation

Jerry Grigar, Sjoerd W. Duiker, Dennis C. Flanagan

Abstract

Soil erosion by water is still the number one threat to sustainable crop production on upland soils while flooding caused by excessive runoff from uplands threatens lowland soils. High rainfall in recent years exposed cropping practices that do not provide sufficient protection, leading to visible soil erosion. In this article, we discuss the different types of soil erosion by water, the significance of visible soil erosion, and conservation practices used to treat different types of erosion. Earn 1.5 CEUs in Soil & Water Management by reading this article and taking the quiz at www.certifiedcropadviser.org/education/classroom/classes/805 .

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Key concepts: Surface runoff, Soil conservation, Environmental science, Erosion, Soil water, Dryland salinity, Soil biodiversity, No-till farming