%0 Journal Article %J Mycologia %D 1989 %T Suppression of mycorrhizal fungus spore germination in nonsterile soil: relationship to mycorrhizal growth response in big bluestem %A Hetrick, B.A.D. %A G.T. Wilson %B Mycologia %V 81 %P 382 -390 %G eng %N 3 %M KNZ00233 %R 10.2307/3760076