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  • Nature Publishing Group  (2)
  • 1965-1969  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Anaerobic Incubation of Soil and the Production of Ammonium (1967)
    [s.l.] : Nature Publishing Group
    Nature 214 (1967), S. 534-534 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Anaerobic topsoil values (?NH4 ? N) and aerobic topsoil values (? (NH44-NO34-NO2) ? N) were correlated with maize fertilizer experimental data obtained from a small number of trials (twenty sites) carried out in western Tanzania. The air dry topsoils (0-15 cm) used in the incubation tests were ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/214534a0
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Microbial Decomposition of Various Fractions of Ureaformaldehyde (1966)
    [s.l.] : Nature Publishing Group
    Nature 211 (1966), S. 1202-1203 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] In these investigations, release of ammonium-nitrogen was followed using the soil perfusion technique and the accumulation of nitrate-nitrogen (nitrification) was used as an index of mineralization. Fifty grams of Guelph loam (2 to 5 mm mesh, pH. 7-0-7-3) were perfused with 200 ml. of distilled ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/2111202a0
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    Paper (German National Licenses)
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