USDA - Agricultural Research Service
2 ARTICLES PUBLISHED IN JoVE
Environment
A Protocol for Conducting Rainfall Simulation to Study Soil Runoff
Leonard C. Kibet 1, Louis S. Saporito 2, Arthur L. Allen 1, Eric B. May 3, Peter J. A. Kleinman 2, Fawzy M. Hashem 1, Ray B. Bryant 2
1Department of Agriculture, Food and Resource Sciences, University of Maryland Eastern Shore, 2Pasture Systems and Watershed Management Research Unit, USDA - Agricultural Research Service, 3Department of Natural Sciences, University of Maryland Eastern Shore
A rainfall simulator was used to apply a consistent rate of uniform rainfall to packed soil boxes in a study of the fate and transport of urea, a nonpoint source environmental contaminant. Under uniform soil and rainfall conditions, antecedent soil moisture content exerted strong control over urea loss in surface runoff.
Environment
A Protocol for Collecting and Constructing Soil Core Lysimeters
Louis S. Saporito 1, Ray B. Bryant 1, Peter J. A. Kleinman 1
1Pasture Systems and Watershed Management Research Unit, USDA - Agricultural Research Service
A detailed method for extraction and assembly of intact soil core lysimeters and their use for study of leachate and associated loss of nutrients from surface applied poultry litter is demonstrated.
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