FylesMcGill1987a

Référence

Fyles, J.W., McGill, W.B. (1987) Nitrogen mineralization in forest soil profiles from central Alberta. Canadian Journal of Forest Research, 17(3):242-249.

Résumé

Nitrogen mineralization characteristics of soils from stands dominated by jack pine Pinus banksiana and white spruce Picea glauca were examined. Nitrogen characteristics of LFH horizons primarily reflected the age and species composition of the existing vegetation while those of A horizons appeared to relate to conditions in previous as well as present stands. Characteristics of B horizons were independent of vegetation implying control by long-term accumulation and transformation of N within the soil. The N fertility of a forest site therefore represents the integration of processes acting within different time frames; an understanding of the relative contributions of short- and long-term processes in the control of N availabiliy is required for efficient fertility management. -from Authors

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@ARTICLE { FylesMcGill1987a,
    AUTHOR = { Fyles, J.W. and McGill, W.B. },
    TITLE = { Nitrogen mineralization in forest soil profiles from central Alberta },
    JOURNAL = { Canadian Journal of Forest Research },
    YEAR = { 1987 },
    VOLUME = { 17 },
    PAGES = { 242-249 },
    NUMBER = { 3 },
    NOTE = { 00455067 (ISSN) Cited By (since 1996): 10 Export Date: 26 April 2007 Source: Scopus Language of Original Document: English },
    ABSTRACT = { Nitrogen mineralization characteristics of soils from stands dominated by jack pine Pinus banksiana and white spruce Picea glauca were examined. Nitrogen characteristics of LFH horizons primarily reflected the age and species composition of the existing vegetation while those of A horizons appeared to relate to conditions in previous as well as present stands. Characteristics of B horizons were independent of vegetation implying control by long-term accumulation and transformation of N within the soil. The N fertility of a forest site therefore represents the integration of processes acting within different time frames; an understanding of the relative contributions of short- and long-term processes in the control of N availabiliy is required for efficient fertility management. -from Authors },
    KEYWORDS = { jack Picea glauca pine Pinus banksiana soil nitrogen spruce white },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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