DIGITALNA ARHIVA ŠUMARSKOG LISTA
prilagođeno pretraživanje po punom tekstu
| ŠUMARSKI LIST 1-2/2008 str. 11 <-- 11 --> PDF |
M. Oršanić, D. Horvat, N. Pernar, M. Šušnjar, D. Bakšić, D. Drvodelić: UTJECAJ MINERALNOG I Šumarski list br. 1–2, CXXXII (2008), 3-9 Na osnovi pedoloških istraživanja može se zaključiti kako je tlo na zakorovljenim plohama biološki aktivnije, što dovodi i do brže degradacije ulja, osobito ako ga ima u višim koncentracijama. Veće ostatke ulja u rasadniku “Šumski vrt” može se povezati s težom teksturom, dakle slabijom aeracijom te učestalijim organomineralnim vezama, ali i većim izvornim sadržajem organske tvari. Rizosfera korovskih vrsta gusto prožima tlo i potiče mikrobiološku aktivnost, koja se odražava na trošenje energije iz ugljikovodika. LITERATURA – References Anon, 1996: “Razvoj i organizacija hrvatskog energetskog sektora” -ISBN 953-6474-01-8, knjiga 6, “Gospodarenje šumama u Hrvatskoj”, Energetski institut “Hrvoje požar”, Zagreb, ISBN 953-6474-04-2, 1–76. A u g u š ti n , H., S. D e k a n i ć , I. Ma r t i n ić , S. S ev er, 2000: Enviromentally friendly hydraulic fluids for forestry machines – conditions and prospects. Mehanizacija šumarstva 25 (1–2): 41–58. Bašić, F., I. Kisić, M. Mesić & A. Butorac, 1999: Stanje tala i djelotvornost sanacije na mjestu puknuća naftovoda OS Stružec – Rafinerija Sisak. Studija, Agronomski fakultet Sveučilišta u Zagrebu, 42 p. Dumitru, M., M. Toti, C. Ceausu, C. Constant i n, A. Voi cu l e sc u, V. C a p it a n u , E. Pi r vulescu & D. Popa, 1998: Bioremediation of petroleum contaminated soils, Stinta sollului, Soil Sci. Jour. Of the Romanian National SSS, 1–2: 163–165. Bucarest. Horvat, D., M. Šušnjar, 2003: Application of biodegradable chain-saw lubricants, Proceedings of the 2nd International Scientific Conference “Forest and wood-processing technology and the environment”; Kolarik, Josef (ur.), Brno, Czech Republic, Mendel University of Agriculture and Forestry Brno, 109–121. Lauhanen, R., R. Kolppanen, S. Takalo, T. Koukkanen, H. Kola, I. Valimaki, 2000: Effects of biodegradeble oils on forest enviroment and forest machines. Proceedings “Forest and wood technology vs. enviroment” Mendel University of agriculture and forestry Brno, Czech Republic, 203–206. Lauhanen, R., R. Kolppanen, 2003: Effects of spent hydralic oil on the germination of scots pine seed, Proceedings of the 2nd International Scientific Conference “Forest and wood-processing technology and the environment”; Kolarik, Josef (ur.), Brno, Czech Republic, Mendel University of Agriculture and Forestry Brno, 221–223. Skoupý, A., R. Ulrich, 1994: Dispersion der Ölabscheidung aus der Kettenschmierung von Einmannmotorsägen. Forsttechnische Informationen 11: 121–123. Skoupý, A., 2004: Biodegradable oils used for saw chain lubrications, Ukrainskij deržavnij lisotehničeskij universitet, Naukovij visnik 14 (3): 41–49. Takalo, S., R. Lauhanen, 1994: Tall oil as a new lubricant in forestry – preliminary results and experiences. Forsitrisk, 4 – 8 July 1994, Feldafing, Germany, 1–4. Toti, M., C. Constantin, M. Dracea, V. Capitanu & M. Damian, 1998: Some aspects concerning the oil pollution and brine in Romanian soils. Stinta sollului, Soil Science Journal of the Romanian National Society of Soil Science, 1–2:177–187. Bucarest. U l r i c h , R., 1994: Vegetable and mineral oils in laboratory and operational tests of Husqvarna 242 power saws. Forsitrisk, 4 – 8 July 1994, Feldafing, Germany, 1–6. SUMMARY: The purpose of this study is to research the effects of different concentrations of mineral and biodegradable lubricants for chainsaws upon seedling growth and the initial growth of pedunculate oak (Quercus robur L.), f pthe most significant forest tree species i iin nn the region of the lowland Croatia. Tests were carried out in two nurseries upon 1-m2-plots (altogether 28 test plots and two control ones) by spilling biodegradable oil and mineral oil, each in three concentrations (0.1 l/m2, 0.2 l/m2, 0.5 l/m2). The analysis showed that the increased concentration of mineral oil may decrease seedling germination; on the contrary, the bio-decomposable oil can increase it. Based on pedological research, we may conclude that the soil of weedy plots is biologically more active, which results in faster oil degradation. |