Numerous investigations in the past have shown that nitrogen fertilizers may exert a rather pronounced stimulative effect upon certain biological soil processes. The results of such a stimulation may prove distinctly beneficial to crop growth and the effects of the treatment may, therefore, be of economic significance.
Proceedings of the Iowa Academy of Science
© Copyright 1928 by the Iowa Academy of Science, Inc.
Brown, P.E. and Mendell, F. H.
"Some Biological Effects of Certain Nitrogen Fertilizers,"
Proceedings of the Iowa Academy of Science, 35(1), 87-95.
Available at: https://scholarworks.uni.edu/pias/vol35/iss1/12