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This article in SSSAJ

  1. Vol. 23 No. 2, p. 127-130
     
    Received: July 23, 1958
    Published: Mar, 1959


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doi:10.2136/sssaj1959.03615995002300020015x

The Nitrogen Status of the Mineral Soils of Florida1

  1. W. L. Pritchett,
  2. C. F. Eno and
  3. M. N. Malik2

Abstract

Abstract

Surface soil samples were collected from the major soil types and cultural practices in the state and analyzed for organic matter, total N and nitrate produced during 2 and 6 weeks of incubation. Correlation coefficients were determined among these properties after grouping the soils according to cultural practice and soil texture. The average organic matter and total N content of Florida mineral soils were 2.52 and 0.060%, respectively. Nitrate produced in 2 and 6 weeks of incubation averaged 21 and 42 ppm., respectively. All three of these constituents increased with increases in fineness of soil texture. Cultural practices also had an influence on these properties. In general, a highly significant relationship was found between total N and organic matter, and total N and nitrate production. However, a significant relationship between organic matter and nitrate production occurred only for certain of the cultural and textural groups with a higher degree of correlation at the end of 6 weeks than at the end of 2 weeks.

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