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    Effect of Rates and Timing of Nitrogen Fertilization on Performance of Rice Varieties, 1957-1962

    John Leonidas Sims, Arkansas Agricultural Experiment Station, Theodore Herron Johnston, Seth E. Henry, United States. Agricultural Research Service. Crops Research Division

     · 1965

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    Nitrogen Immobilization and Decomposition of Crop Residue in Soil as Affected by Residue Particle Size

    John Leonidas Sims

     · 1960

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    Effect of Rates and Timing of Midseason Nitrogen Applications on Performance of Short-season Rice Varities, 1964-1965

    John Leonidas Sims, Arkansas Agricultural Experiment Station

     · 1967

Coded by Alvin Chou