Effect of superphosphate and nitrogen on yield and take-all of wheat |
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Authors: | R. F. Brennan |
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Affiliation: | (1) Department of Agriculture, 6330 Albany, Western Australia, Australia |
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Abstract: | Wheat was grown continuously in soil amended with 5 levels of superphosphate and with 4 levels of urea at 3 sites. The incidence and severity of take-all, caused byGaeumannomyces graminis var.tritici, declined with increasing rates of application of both superphosphate and urea.In both years, the severity of take-all on plants receiving neither superphosphate nor urea was about 40% while at the highest level of superphosphate and urea supply the take-all severity was approximately halved at 22%.There was an increase in grain yield in response to applied superphosphate and urea to the highest level of each nutrient. There was also an increase in the 1,000-kernal weights with superphosphate and urea fertilizer application. |
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Keywords: | Superphosphate nitrogen fertilizer take-all (Gaeumannomyces graminis) wheat Triticum aestivum L. |
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