Nitrogen fertilizers, Application, Surveys, Western Australia
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THE DECEMBER, 1968 issue of the "Journal of Agriculture" included, as part of an article on the economics of nitrogen fertiliser use, a lift-out section for farmers to complete and return to the Journal.
In the lift-out, farmers were asked to calculate their fertiliser costs and answer a series of questions about the use of nitrogen on their farms.
Department of Agriculture, Western Australia
"Nitrogen fertiliser survey,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 10:
5, Article 8.
Available at: https://library.dpird.wa.gov.au/journal_agriculture4/vol10/iss5/8