Mineral and dissolved organic nitrogen dynamics along a soil acidity-fertility gradient

Mineral and dissolved organic nitrogen dynamics along a soil acidity-fertility gradient

Mineral (NH^sup +^^sub 4^ + NO^sup -^^sub 3^) and dissolved organic nitrogen (DON) dynamics were investigated along a soil chronosequence in northern California that ranges in age from about 100 000 to 500 000 BP. Younger soils are slightly acidic and fertile supporting highly productive grasslands...

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Veröffentlicht in:Soil Science Society of America journal 2003-05, Vol.67 (3), p.878-888
Hauptverfasser: ZENGSHOU YU, KRAUS, Tamara E. C, DAHLGREN, Randy A, HORWATH, William R, ZASOSKI, Robert J
Format: Artikel
Sprache:eng
Schlagworte:
Acidity
Biological and medical sciences
Coniferous forests
Fertility
Fundamental and applied biological sciences. Psychology
Grasslands
Mineralization
Minerals
Mixed forests
Nitrification
Nitrogen
Organic nitrogen
Soil fertility
Soils
Tillage
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Zusammenfassung:Mineral (NH^sup +^^sub 4^ + NO^sup -^^sub 3^) and dissolved organic nitrogen (DON) dynamics were investigated along a soil chronosequence in northern California that ranges in age from about 100 000 to 500 000 BP. Younger soils are slightly acidic and fertile supporting highly productive grasslands and mixed-conifer forests. Older soils are highly acidic and infertile supporting forests of dwarf (
ISSN:0361-5995
1435-0661
1435-0661
DOI:10.2136/sssaj2003.0878