Western Australia, Manjimup Potatoes, Fertiliser.
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This trial was one of a series to be carried out by the Vegetable Section of the Department of Agriculture, with the objective of determining the most economical applications of nitrogen, phosphate and potash fertilisers for potatoes in the important potato-growing areas of the State. The results are discussed in this report. On the site chosen at Manjimup, highly significant responses were obtained from increasing levels of phosphate and nitrogen. It is indicated that potash, over a certain level, had a depressing effect on the yield.
"Fertiliser trials with potatoes at Manjimup,"
Journal of the Department of Agriculture, Western Australia, Series 3: Vol. 6:
5, Article 20.
Available at: https://library.dpird.wa.gov.au/journal_agriculture3/vol6/iss5/20