Mycorrhizal fungi 9 Mycorrhizas 8 Soil Biology 7 Microbial Ecology, (New March 2000) 4 Vesicular arbuscular mycorrhizas 4 Endomycorrhizas 3 Fungi 3 more ... Genetics and Molecular Biology of Microorganisms, (New March 2000) 3 Horticultural Crops, (New March 2000) 3 Plant pathogens 3 Rhizosphere 3 Soil microbiology 3 Biological Resources (Plant) 2 Ectomycorrhizas 2 Endophytes 2 Enzyme activity 2 Forest soils 2 Forests and Forest Trees (Biology and Ecology) 2 Fungal diseases of plants 2 Grasslands and Rangelands 2 Microbial ecology 2 Molecular Biology and Molecular Genetics, (Discontinued March 2000, Reinstated and Revised June 2002) 2 Mycology 2 Nitrogen fixation 2 Nitrogen fixing bacteria 2 Nodulation 2 Non-food/Non-feed Plant Products 2 Plant diseases 2 Plant pathogenic fungi 2 Plants 2 less ...