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Carbon and nitrogen mineralization characteristics of organic nitrogen fertilizers in a soil-less incubation system (1990)

Smith, S. R. ; Hadley, P.

Springer

Nutrient cycling in agroecosystems 23 (1990), S. 97-103

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ISSN: 1573-0867

Keywords: Carbon ; mineralization ; nitrogen ; organic fertilizer ; temperature

Source: Springer Online Journal Archives 1860-2000

Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition

Notes: Abstract The C and N mineralization characteristics of two organic N fertilizers were determined in a soil-less incubation system at three temperature regimes. Protox (derived from activated sewage sludge) initially degraded more rapidly by microbial action compared with dried blood. However, dried blood released more CO2-C and inorganic N towards the end of the incubation periods. The rate of microbial degradation increased with temperature. Mineralization characteristics of protein-based N sources are discussed in relation to organic N nutrition of vegetable crops.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01063336

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