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pro vyhledávání: '"David J. Sieler"'
Autor:
Earl O. Skogley, Jeffrey S. Jacobsen, David J. Sieler, Shaukat Mahmood, James W. Bauder, B. E. Schaff
Publikováno v:
Agronomy Journal. 89:9-16
Many agricultural soils of the northern Great Plains have excess CaCO 3 or CaSO 4 and pH levels above 7.8, thereby having high fixation capacity for applied P and resultant poor predictability of crop responses to applied P fertilizer. In addition, i