Effects of nitrogen and phosphorus ferti
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Tadeusz Z. Nowakowski; Geoffrey E. G. Mattingly; William Lazarus
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Article
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1977
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John Wiley and Sons
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English
β 636 KB
## Abstract Italian ryegrass (__Lolium multiflorum__) S22, grown in a greenhouse in phosphorusβdeficient soil in pots was given 40 and 160 mg N/kg of soil (as ammonium nitrate) and 5, 25 and 100 mg P/kg of soil (as calcium tetrahydrogen diorthophosphate). Giving more nitrogen increased yields only