用两种不同的VA菌根真菌 Glomus mosseae 和 Glomus caledonium 接种玉米进行盆栽试验。结果表明，两种菌株均能侵染玉米，促进玉米生长，其中以Glomus caledonium 的侵染率和作用较为明显。接种后，根区土壤中的细菌、放线菌、固氮菌的数量和微生物生物量明显增加，但真菌的数量则稍有下降。此外，菌根的形成也改善了根区土壤的微生态环境，为下一造作物的生长积累了养分基础。 Inoculation of corn with two different VA mycorrhizal fungi, Glomus mosseae and Glomus caledonium, was carried out in pot experiments. The results showed that both strains could infect maize and promote the growth of maize. Glomus caledonium infection rate and effect were obvious. After inoculation, the number of bacteria, actinomycetes, azotobacter and microbial biomass in root zone soil increased obviously, but the number of fungi decreased slightly. In addition, the formation of mycorrhiza also improved the micro-ecological environment of the root zone soil and accumulated the nutrient foundation for the growth of the next crop.