Mycorrhizas Mycorrhizal fungi 7 Soil Biology 7 Microbial Ecology, (New March 2000) 4 Vesicular arbuscular mycorrhizas 4 Endomycorrhizas 3 Fungi 3 Genetics and Molecular Biology of Microorganisms, (New March 2000) 3 Plant pathogens 3 Rhizosphere 3 Soil fertility 3 Soil microbiology 3 Agroforestry 2 Agroforestry and Multipurpose Trees: Community, Farm and Social Forestry 2 Biodiversity 2 Biological Resources (Plant) 2 Ectomycorrhizas 2 Enzyme activity 2 Forest soils 2 Forests and Forest Trees (Biology and Ecology) 2 Fungal diseases of plants 2 Grasslands and Rangelands 2 Horticultural Crops, (New March 2000) 2 Microbial ecology 2 Molecular Biology and Molecular Genetics, (Discontinued March 2000, Reinstated and Revised June 2002) 2 Nitrogen fixation 2 Nitrogen fixing bacteria 2 Nodulation 2 Nutrient uptake 2 Plant diseases 2