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dune soil type

Catalogue: Ground Cover
Chasing sandy soil profitability without chasing risk.. Research supported by the GRDC and run by CSIRO with Mallee Sustainable Farming (MSF) indicates that the timing and distribution of nitrogen are crucial if profitability in these soil types is to be increased without increased risk... The fertiliser trial consists of five rates of nitrogen applied as urea at seeding (0, 10, 20, 40 and 80kg N/ha) and four rates of phosphorus applied as triple superphosphate (0, 5, 10 and 20kg P/ha) on each of the three soil types (dune - deep sand, mid-slope sand over clay loam and swale/flat - clay loam over clay)...
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