Abstract
The world is in a continuous progress, as a result of which energy consumption and with this the release of gases with adverse impact show rapid increase. As a result of the survey conducted by the International Energy Agency, if the major economic powers do not initiate a change in their energy policy, the increase of energy consumption may as well reach 40 % by 2030. This increased energy demand is getting more and more difficult to fulfill with the fossil energy resources, which is to lead to an increasing significance of renewable energy resources. In Hungary, these energy resources are the best to provide with biomass growth. Biomass growth for energetic purpose can mostly be provided by energy plants, out of which “energy willow” (Salix viminalis L.) is outstanding with its high yield and with its excellent burning technology characteristics of its timber. The willow’s cropping technology is being established in our country. One of our tasks is to work out an adequate weed control plan. The professional and safe use of herbicides can increase the success of production. In our paper, we discuss the weed flora data collected on treatments applied in the different fertilizer and compost. We started our survey in 2010. We examined twelve different fertilizer and compost treated areas. The dominant weeds were: Amaranthus retroflexus, Chenopodium album, Echinochloa crus-galli among annuals; Cirsium arvense and Agropyron repens among the perennials.
Highlights
We examined twelve different fertilizer and compost treated areas
(2007): Adatok az energia fűz (Salix viminalis L.) gyomszabályozási lehetőségeiről
Summary
The world is in a continuous progress, as a result of which energy consumption and with this the release of gases with adverse impact show rapid increase. As a result of the survey conducted by the International Energy Agency, if the major economic powers do not initiate a change in their energy policy, the increase of energy consumption may as well reach 40 % by 2030. Magyarországon a megújuló energiaforrásai közül az egyik legnagyobb potenciállal a biomassza rendelkezik (Gonczlik et al, 2005), hiszen hazánknak igen jó természeti adottságai vannak a biomassza alapanyagként szolgáló növényfajok termesztésére. A hazai energia fűz ültetvényekben előforduló gyomfajokkal kapcsolatban Kondor (2007) leírása alapján megállapítható, hogy a magról kelő gyomnövények a meghatározóak a megjelenés szempontjából. Az energiafűz gyomfaj összetételével kapcsolatban és a termelés során elért borítási értékek szempontjából még nem találhatóak nagy számú irodalmi forrás, ami alapján egyértelműen meghatározható a fűz termesztés során megjelenő jellegzetes. A hiányos ismeretanyag miatt kezdtünk el foglalkozni az energia fűz ültetvények gyom összetételének vizsgálatával, mely során szintén vizsgáltuk a tápanyag-utánpótlás szerepét a gyom faj összetétel alakulására
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