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Economic effects of controls on nitrogen fertilizer / E.R. Swanson, C.R. Taylor, and P.J. Van Blokland.
By: Swanson, E. R. - Taylor, C. R. - Van Blokland, P. J.
Publication info: Urbana :Agricultural Experiment Station, College of Agriculture, University of Illinois at Urbana-Champaign,1978.
Contributed by: University of Illinois Urbana Champaign
Subjects: Control Economic aspects Environmental aspects Illinois Nitrogen fertilizers
View record View book
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Nitrogen use and behavior in crop production / L. Fred Welch.
By: Welch, L. Fred,
Publication info: Urbana, Ill. :Agricultural Experiment Station, College of Agriculture, University of Illinois at Urbana-Champaign,1979.
Contributed by: University of Illinois Urbana Champaign
Subjects: Assimilation Nitrogen fertilizers Plants
View record View book
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Soil and crop interrelations of various nitrogenous fertilizers : Windsor lysimeter series b /
By: Morgan, M. F. - Jacobson, H. G. M.
Publication info: [New Haven] :Connecticut Agricultural Experiment Station,1942.
Contributed by: University of Connecticut Libraries (archive.org)
Subjects: Connecticut Effect of nitrogen on Lysimeter Nitrogen fertilizers Plants
View record View book
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