A number of investigations have shown the effects of certain nitrogen fertilizers on the nitrification process and it has generally been noted that nitrates would stimulate the production of nitrates. The work of Coleman, Brown and Gowda and Greaves may be referred to in this connection.
Proceedings of the Iowa Academy of Science
©1929 Iowa Academy of Science, Inc.
Pendleton, Ray A.; Brown, P. E.; and Smith, F. B.
"The Effects of Some Nitrogen Fertilizers on Nitrification,"
Proceedings of the Iowa Academy of Science, 36(1), 99-103.
Available at: https://scholarworks.uni.edu/pias/vol36/iss1/14