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Type of publication: Straipsnis recenzuojamoje Lietuvos tarptautinės konferencijos medžiagoje / Article in peer-reviewed Lithuanian international conference proceedings (P1e)
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Scholz, Volkhard;Liubarskis, Vladimiras;Burneika, Gediminas
Title: Environmentally friendly production and combustion of various energy plants and by-products
Is part of: Ecological energy resources in agriculture : 9th international conference institute of agricultural engineering LUA, Raudondvaris, 16-17 September 2004. Raudondvaris, 2004
Extent: p. 106-116
Date: 2004
ISBN: 9986732220
Abstract: In the foreseeable future, energy plants could become an integral part of the energy mix in Europe. However, this requires that these plants are produced in an environmentally friendly way and that the energy yield justifies the input. The present paper describes results concerning the cultivation of 10 energy plant species suitable for combustion. Over a period of 8 years, yield, energy gain, and environmentally relevant substances in the plant and the soil were measured under practical conditions on sandy soil. Fertilization was carried out in 4 variants ranging from 0 to 150 kg N/ha and with wood and straw ashes, as well as basic mineral fertilizer. Pesticides were entirely dispensed with. The results show that, except for topinambur haulm and short rotation coppice with undersown crops, the mean yield ranges between 8 and 11 tDM/ha and that a reduction of nitrogen application causes only slight yield losses. Hemp, poplar, triticale and rye achieve hight energy gains and poplar even without fertilization. The contents of the emission-and combustion-relevant plant nutrients are significantly lower in poplars and willows than in the haulm-type crops. The input of heavy metals is absorbed differently with trees making a particular contribution towards the decontamination of the soil
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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