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pro vyhledávání: '"Randall J. Ristau"'
Autor:
Merlin A. Dillon, Richard T. Sparks, Jorge A. Delgado, Randall J. Ristau, Lawrence M. Kawanabe, Ronald R. Riggenbach
Publikováno v:
Soil Science Society of America Journal. 65:878-883
Well water NO 3 - -N concentrations have been found to exceed 10 mg L -1 of NO 3 - -N for some areas of the San Luis Valley (SLV) of South-Central Colorado. The region's predominant soils are sandy soils, with a dominant potato (Solanum tuberosum L.)