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Nutrient Management Regulations — Maryland’s Nursery and Greenhouse Industries Experience

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  035007,  2003 ASAE Annual Meeting . (doi: 10.13031/2013.14115) @2003
Authors:   David S. Ross, John D. Lea-Cox, K. Marc Teffeau, Ellen N. Varley
Keywords:   Runoff, irrigation, nitrogen, phosphorus, best management practices

The Maryland legislature passed the Water Quality Improvement Act of 1998; regulations to implement the law were published May 30, 2000. These regulations require nutrient management plans be written and implemented for all of agriculture by December 31, 2002. Maryland agronomic crop producers started writing voluntary plans in 1989, but nursery and greenhouse out-of-ground container producers were caught by the new challenge to develop nutrient management plans for a complex industry. A University of Maryland inter-disciplinary team of faculty responded with a distance education program to train plan writers. The team developed the first comprehensive water and nutrient management process in the U.S., using a systematic environmental risk assessment/risk management approach in an industry with little nutrient requirements data (Lea-Cox, Ross and Teffeau, 2001). Trained plan writers and completed nutrient management plans are the outcome of this activity.

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