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- Andresen, Louise C.; Michelsen, Anders; Jonasson, Sven; Ström, Lena
- Applied soil ecology 2011 v.51 pp. 94-101
- plant exudates, etc ; Calluna; free amino acids; grasses; growing season; nitrogen; nitrogen content; nutrient availability; phenylalanine; proanthocyanidins; roots; seasonal variation; soil microorganisms; soil nutrients; tannins; Show all 15 Subjects
- ... In the plant biosynthesis of secondary compounds, phenylalanine is a precursor of condensed tannins. Tannins are deposited into the soil in plant root exudates and dead plant material and have been suggested to precipitate some soil nutrients and hence reduce nutrient availability for plants. Free amino acid, inorganic and microbial N concentration during the growing season was investigated in an ...