The influence of NPK fertilization on yield structure of the Miscanthus ssp. grasses
Dorota Kalembasa
iro@uph.edu.plKatedra Gleboznawstwa i Chemii Rolniczej, Akademia Podlaska w Siedlcach (Poland)
Elżbieta Malinowska
Katedra Gleboznawstwa i Chemii Rolniczej, Akademia Podlaska w Siedlcach (Poland)
Dawid Jaremko
Katedra Gleboznawstwa i Chemii Rolniczej, Akademia Podlaska w Siedlcach (Poland)
Stanisław Jeżowski
Instytut Genetyki Roślin, Polska Akademia Nauk w Poznaniu (Poland)
Abstract
The yield structure (stems, leaves, roots and rhizomes) of the Miscanthus grass was determined in a field experiment, after two years of cultivation. Five clones (two diploids: No 1 and No 19, and three triploids: No 53, No 63 and POL) were tested at two levels of fertilization: 1) control and 2) N60P50K100 per year. After harvest, dry matter of the analyzed parts was determined. The highest yields of the aboveground and underground parts were recorded for the clone No 19, the lowest ones for the clone POL. The NPK fertilization decreased yield of the underground parts of all the investigated clones. The mean energetic value of the aboveground parts dry mass reached 17.25 MJ/kg for all the investigated clones.
Keywords:
mineral fertilization, Miscanthus, yield structure, energetic valueReferences
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Authors
Dorota Kalembasairo@uph.edu.pl
Katedra Gleboznawstwa i Chemii Rolniczej, Akademia Podlaska w Siedlcach Poland
Authors
Elżbieta MalinowskaKatedra Gleboznawstwa i Chemii Rolniczej, Akademia Podlaska w Siedlcach Poland
Authors
Dawid JaremkoKatedra Gleboznawstwa i Chemii Rolniczej, Akademia Podlaska w Siedlcach Poland
Authors
Stanisław JeżowskiInstytut Genetyki Roślin, Polska Akademia Nauk w Poznaniu Poland
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Copyright (c) 2004 Dorota Kalembasa, Elżbieta Malinowska, Dawid Jaremko, Stanisław Jeżowski
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