DIGITALNA ARHIVA ŠUMARSKOG LISTA
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6. Koleško , O. I.: Ekologija mikro-organizmov počvi. Lab. praktikum. Minsk, 1981. 7. K u b i e n a. W.: Micropedology. Ames. 1938. 8. Li t vi nov. M. A.: Opredelltelj mikroskopičeskih počvenih gribov. Lenjingrad, 1967. 9. Ocevski , B.: Metode mikrobiološkog ispitivanja vode i mulja. U knjizi: »Mikrobiološke metode ispitivanja zemljišta i voda« ed Tešić Z. i Todorović M., Beograd, 1966. 10. Parkinson . D. et al.: Methods l´or Studying the Ecologv of Soil Micro-organisms. London. 1971. 11. P o c h o n, J. i H. de Barjac: Traite de microbiologie des sols. Pariš, 1958. 12. Pochon , J. li T a r d i e u x, P.: Techniques d´analvse en microbiologie du sol. Pariš, 1.962. 13. Radulovič . V.: Neposredno posmatranje mikroorganizama u zemljištu. U knjizi: »Mikrobiološke metode ispitivanja zemljišta i voda« ed. Tešić 2. i M. Todorović, Beograd. 1966. 14. R i b a 1 k i n a, A. V.: Komparativna procjena nekih direktnih metoda istraživanja u mikrobiologiji tla. U knjizi: »Mikroorganizmi u seoskom gospodarstvu«, Moskva, 1970. 15. S z a b o, I. M.: Microbial communitdes in a forest — rendzina ecosvstem. Budapest, 1974. 16. Szegi , J.: Metodi počvenoj mikrobiologu. Moskva, 1983. 17. Soj at, M.: Proučavanje gljiva u tlu primjenom raznih mikrobioloških metoda. Mag. rad, Zagreb, 1970. 18. W a r c u p. J. H.: Fungi in soil. U knjizi »Soil Biologv« ed. A. Burges i F. Raw, London, 1967. 19. Zvjagincev . D. G.: Prvi dio priručnika, čiji je ed. N. A. Krasiljnikov. Naslov priručnika: Metode proučavanja mikroorganizama tla i njihovih metabolita, Moskva, 1966. STUDY OF SOIL MICROORGANISMS BY DIRECT BIOLOGICAL METHODS S u m m a r y The author suggests two modifications of standard technique tor the direct microscoping of soil: modification \vith flattened soil aggregates and modification with sedimentarv soil suspension. In the i´irst modification a drop of suspended soil (in water, glvcerin or alcohol) is placed on the microscopic stage, covered with a slide and pressed with a finelv sharpened wooden stick to flatten the drop. In the second method a drop of suspended soil is placed on the microscopic stage by means of a pipette and is observed with or without a slide. The advantages of these two methods compared to standard ones are that thev do not need either additional means (staining) or cultivation on an artifical substrate, so that forms of mieroorganisms have entirelv natural morphology. In the investigations carried out to date some unknown microorganic forms. especially fungi, have been observed. |