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Genotypic variation in dry matter accumulation and content of N, K and Cl in Miscanthus in Denmark by Uffe Jørgensen is a Engineering article available to read on EtoBox.

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European experiments on Miscanthus have so far been concentrated on one genotype, namely the triploid, infertile hybrid M. "Giganteus". Chemical analysis of this genotype has shown relatively high mineral contents which reduce its quality for power production. This paper presents the yields and concentrations of N, K and C1 in 15 selections of the species M. sinensis, and compares these to data on M. "Giganteus". Yields were rather low during the experimental period 1992-1995 due to adverse climatic conditions. Average dry matter yield over three years of measurements at spring harvest was 8.9 t/ha for M. sinensis selections and 7.7 t/ha for M. "Giganteus". The percentage content of N, K and C1 in plant dry matter as a mean of three years was 0.64, 0.39 and 0.08 in the M. sinensis selections and 0.59, 0.81 and 0.33 in M. "Giganteus". There were large variations in yield and mineral concentrations within the selections of M. sinensis, and some of the selections seem to meet the target fuel specification values for K and CI content set by the Danish Power Pools. During 1994/1995, plant material was sampled almost monthly from M. "Giganteus" and from two selections of M. sinensis. Min

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Author

Uffe Jørgensen

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0961-9534)

Published

1997

Language

EN

Field

Engineering (Physical Sciences)