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Agronomy Journal Abstract -

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


This article in AJ

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

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



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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