Grains and field crops
There were 27 trials planned in which the response to nitrogen fertilisers on both wheat and rape could be directly compared. It was hoped that a constant relationship between the responses on these two crops would allow the large amount of information on wheat trials in the past to be used in formulating recommendations for nitrogen use on rape.
Number of Pages
Mason, M G. (1971), Report on 1971 Nitrogen trials. Department of Agriculture and Food, Western Australia, Perth. Report.