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Soil Science Society of America Journal Abstract -

The Effect of Gamma and Neutron Irradiation of Soil on the Yield and Nutrient Uptake of Rye1


This article in SSSAJ

  1. Vol. 28 No. 3, p. 390-393
    Received: Apr 17, 1963
    Accepted: Jan 27, 1964

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  1. D. G. Cummins and
  2. R. A. McCreery2



Cecil sandy loam and Lakeland sand with 6 fertility treatments, at field capacity and air dry, were subjected to 3 rates of mixed gamma and neutron radiation from an airshielded 10 megawatts thermal reactor. Rye was grown as a test crop on these soils in the greenhouse. Forage yield and uptake of N, P, K, Ca, Mg, and Na by rye were used to evaluate irradiation effects. Yields of rye on Cecil soil were increased as a result of irradiation when N was limiting, probably as a result of increased mineral N from dead organisms. The uptake of P, K, Ca, Mg, and Na was not affected by irradiation, except where influenced by an increased yield due to N. Soil moisture at irradiation time did not influence irradiation effects on rye yields.

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