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Agronomy Journal Abstract -

Effect of N Fertilizer on Yield, Crude Protein Content, and in vitro Dry-Matter Disappearance in Phalaris arundinacea L.1


This article in AJ

  1. Vol. 63 No. 5, p. 793-794
    Received: Mar 6, 1971

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  1. Merle H. Niehaus2



‘Ioreed,’ ‘Frontier,’ and ‘Common,’ three cultivars of reed canarygrass, Phalaris arundinacea L., each grown at four rates of N, were evaluated for dry-matter yield, percentage of crude protein, and in vitro dry-matter disappearance (IVDMD). Nitrogen was applied at 75, 150, 300, and 600 kg/ha/yr. There was a large increase in dry-matter yield and percentage of crude protein in response to increased N fertilizer, but IVDMD was not affected by N rate. Differences between cultivars were small for all traits. Interactions between N rates and cultivars involving dry-matter yield existed but did not change the ranking of cultivars.

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