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Yield and economic response to nitrogen and phosphorus fertilizers on a low-phosphorus soil of the Darling Downs, Queensland

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Hibberd, D.E., Whitehouse, M.J. and Duncan, O.W. (1969) Yield and economic response to nitrogen and phosphorus fertilizers on a low-phosphorus soil of the Darling Downs, Queensland. Queensland Journal of Agricultural and Animal Sciences, 26 (4). pp. 457-463.

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Abstract

While maximum wheat yields appear to be obtained with rates of up to 3·6 cwt superphosphate and 2 cwt urea per acre (37 lb P and 103 lb N respectively) on the Mywybilla series of Darling Downs black earths, economical rates were 1 cwt superphosphate and t cwt urea per acre (11 lb P and 26 lb N respectively). It is recommended that both fertilizers be applied for fertility maintenance. Highly significant responses in grain protein occurred but these were not sufficient to raise the grain quality status on the Australian price structure. Increased stubble may be expected with the use of fertilizer.

Item Type:Article
Corporate Creators:Department of Agriculture and Fisheries, Queensland
Subjects:Agriculture > Agriculture (General) > Agricultural economics
Agriculture > Agriculture (General) > Soils. Soil science > Soil and crops. Soil-plant relationships. Soil productivity
Agriculture > Agriculture (General) > Fertilisers
Plant culture > Field crops > Wheat
Live Archive:20 May 2024 01:22
Last Modified:20 May 2024 01:22

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