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This article in AJ

  1. Vol. 62 No. 3, p. 311-313
    Received: Sept 2, 1969

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Accumulation and Loss of Nitrogen during Growth and Maturation of Cereal Rye (Secale cereale)1

  1. C. B. Rumburg and
  2. Forrest A. Sneva2



The loss of total N from herbage of cereal rye after anthesis was studied by recovering herbage, roots, and anthers of rye grown in soil (under dryland conditions), nutrient solution, and sand culture. The amount of N in herbage of dryland rye decreased an average of 7.9 kg/ha during the 2 weeks following anthesis. Potential loss of N from herbage through shedding of anthers and pollen was estimated at 16 kg/ha. Rye grown in sand or solution culture continued to absorb and accumulate N after anthesis which masked the N lost during anthesis. We found no evidence which would suggest a transport of N from herbage to roots under either dryland conditions, or sand or nutrient culture.

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