Development and implementation of the Virginia agronomic land use evaluation system (VALUES)

Autor:	S. J. Donohue, M. M. Monnett, T. W. Simpson, G. W. Hawkins, J. C. Baker
Rok vydání:	1994
Předmět:	Soil test Land use Nutrient management Agroforestry Soil Science Soil classification Agricultural engineering engineering.material Agricultural land Soil water engineering Environmental science Water quality Fertilizer Agronomy and Crop Science
Zdroj:	Communications in Soil Science and Plant Analysis. 25:1103-1108
ISSN:	1532-2416 0010-3624
DOI:	10.1080/00103629409369101
Popis:	There is currently a great deal of concern about the movement of nutrients from agricultural land to surface and ground water. This concern centers on nitrogen (N) and phosphorus (P). These two nutrients greatly stimulate algal growth, ultimately causing a depletion of oxygen which adversely affects aquatic vegetation, and higher marine life. The Virginia Agronomic Land Use Evaluation System (VALUES) restructures and reorients soil test fertilizer recommendations to include the best currently available scientific technology on water quality oriented nutrient management. A data base has been developed for the major soil types in the mid‐Atlantic United States region with fertilizer rates to apply directly related to the particular soil being cultivated. This data base contains corn, soybean, and wheat yield information for over 550 soils. VALUES is being installed in the Virginia Tech Soil Testing Laboratory computer system for preparation of water quality oriented crop fertilizer recommendations.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::1f91f30727eaa9afd2e37778ed887488 https://doi.org/10.1080/00103629409369101 Zobrazit plný text záznamu