| #0 | 52 | 0.660 | 1999 | Diversity; am fungi; nitrogen; community; carbon; bacteria; identification; bioma; dynamics; organic matter |
| #1 | 39 | 0.627 | 1992 | Gigaspora margarita; host; Glomus; photosynthesis; nitrogen fixation; germination; in vitro; vegetation; clover; soil disturbance |
| #2 | 38 | 0.523 | 2000 | Medicago truncatula; symbiosis; Glomus intraradices; tolerance; accumulation; Glomus mosseae; stress; resistance; heavy metal; gene expression |
| #3 | 37 | 0.671 | 1993 | Phosphorus; growth; colonization; inoculation; response; plant growth; nutrient uptake; maize; yield; field |
| #4 | 28 | 0.811 | 1992 | Plant; external hyphae; system; Endogonaceae; endophyte; Glomus fasciculatum; in vitro; classification; tillage; taxonomic concept |
| #5 | 21 | 0.744 | 1993 | Arbuscular mycorrhizal fungi; transport; Trifolium subterraneum; nodulation; morphology; water relation; Zea may; citrus; nitrate; phosphorus nutrition |
| #6 | 19 | 0.801 | 1992 | Rhizosphere; microorganism; population variation; quantification; enrichment; biosynthesis; salinity; calcium oxalate; abscisic acid; hydraulic conductivity |
| #7 | 8 | 0.939 | 1990 | N15; fixation; natural vegetation system; n transfer; ryegrass; sand dune; florida coalwaste |
| #8 | 6 | 0.984 | 1990 | Root; forest; ecology; Agropyron; environment; functional relationship |