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This article in AJ

  1. Vol. 59 No. 5, p. 418-419
     
    Received: Oct 27, 1966
    Published: Sept, 1967


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doi:10.2134/agronj1967.00021962005900050011x

Effect of Continuous Submergence Versus Alternate Flooding and Drying on Growth, Yield, and Nitrogen uptake of Rice1

  1. W. H. Patrick,
  2. W. A. Quirk,
  3. F. J. Peterson and
  4. M. D. Faulkner2

Abstract

Abstract

A comparison was made of rice (Oryza saliva) grown under continuously submerged conditions and under alternately dry and flooded conditions in several greenhouse and field experiments. With nitrogen-deficient soils, alternately dry and submerged conditions caused an appreciable decrease in growth, yield, and nitrogen uptake. With soils high in available nitrogen as a result of being in permanent pasture for several years, drying and reflooding resulted in a yield increase. Drying and reflooding apparently resulted in a loss of soil nitrogen which was detrimental in the nitrogen-deficient soils and beneficial in the soils that had been in pasture.

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