Agroforestry and Multipurpose Trees: Community, Farm and Social Forestry Agroforestry 7 Forests and Forest Trees (Biology and Ecology) 4 Agroforestry systems 3 Biological Resources (Plant) 3 Forests 3 Grasslands and Rangelands 3 Innovation adoption 3 Natural Resource Economics, (New March 2000) 3 Plants 3 Policy and Planning 3 Silviculture and Forest Management 3 Soil Biology 3 Soil fertility 3 Trees 3 Woody plants 3 Biodiversity 2 Crops 2 Erosion: Soil and Water Conservation 2 Extension and Advisory Work 2 Forest policy 2 Forestry Economics, (New March 2000) 2 Forests and forestry 2 Land Resources 2 Lowland areas 2 Mycorrhizas 2 Nitrogen fixation 2 Nutrient uptake 2 Pastures 2 Plant Ecology 2