Nitrates and groundwater : why should we be concerned with our current fertilizer practices?
Published January 2004. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalo
Groundwater -- Pollution -- Oregon, Western, Nitrogen in agriculture -- Oregon, Western, Nutrient pollution of water -- Oregon, Western, Nitrates -- Environmental aspects -- Oregon, Western
Publisher: [Corvallis, Or.] : Agricultural Experiment Station, Oregon State University
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