Effect of annual use of pesticides on soil microorganisms and sugar beet yields - Heinonen-Tanski, Helvi; Simojoki, Paavo; Raininko, Kyösti; Nuormala, Nils; Silvo, Riitta (Suomen maataloustieteellinen seura, 1989)
Keywords: Ta; sokerijuurikas; Beta vulgaris var. altissima; satoisuus; torjunta-aineet; Alloxidim-Na; dimethoate; hymexazol; metamitron; phenmedipham; thiram; total number; spore-forming aerobes; ureolytices; dehydrogenase; nitrification; cellulolysis