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Langfristige Effekte abgestufter N-, P-, K-Gaben bei Mähweiden verschiedener Standorte auf die Zusammensetzung der Pflanzenbestände unter den Aspekten floristischer Diversität und Agronomie

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Langfristige Effekte abgestufter N-, P-, K-Gaben bei Mähweiden verschiedener Standorte auf die Zusammensetzung der Pflanzenbestände unter den Aspekten floristischer Diversität und Agronomie (English shop)

Johanna Oerlemans (Author)

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The research was initiated to determine the floristic diversity and forage quality including ensilability and mineral content of long-term (= 16 years) differentiated fertilised mowing pastures classified as Lolio-Cynosureten. At four different sites (= 210, 260, 360 and 620 m above sea-level) the factors N supply (= 0, 160 and 320 kg N ha-1 a-1), P supply (= 0, 60 and 120 kg P2O5 ha-1 a-1) and K supply (= 0, 80 and 160 kg K2O ha-1 a-1) were tested in 27 different supply combinations in a latin rectangle design with three replicates. DM yields of first growth and soil chemical values (= pH, P and K concentrations) were determined. Concerning floristic diversity the species number, Shannon- and Simpson-Index as well as Shannon- and Simpson-evenness were determined. Regarding the forage quality the concentrations of energy, crude protein, minerals, water-soluble carbohydrates and the buffering capacity were analysed.

ISBN-13 (Printausgabe) 3865378676
ISBN-13 (Hard Copy) 9783865378675
ISBN-13 (eBook) 9783736918672
Language Alemán
Page Number 270
Edition 1
Volume 0
Publication Place Göttingen
Place of Dissertation Gießen
Publication Date 2006-05-24
General Categorization Dissertation
Departments Agricultural science