Stritzel, J.2021-02-252021-02-251952-12-01https://dr.lib.iastate.edu/handle/20.500.12876/96072<p>Right on the heels of the rapid acceptance and use of fertilizers in general- and of straight nitrogen fertilizers in particular- has come the development of liquid sources of nitrogen containing from 21 to 82 percent nitrogen.</p>articleisulib-bepress-aws-west172020221694farmscience/vol7/iss6/2Agriculture