Agroforestry and Multipurpose Trees: Community, Farm and Social Forestry 7 Agroforestry systems Agroforestry 6 Silviculture and Forest Management 3 Soil Fertility 3 Soil fertility 3 Sustainability 3 more ... Trees 3 Tropics 3 Case studies 2 Climate change 2 Cropping systems 2 Forestry Economics, (New March 2000) 2 Forests and Forest Trees (Biology and Ecology) 2 Grasslands and Rangelands 2 Land management 2 Meteorology and Climate 2 Multipurpose trees 2 Natural Resource Economics, (New March 2000) 2 Plant Cropping Systems 2 Productivity 2 Research 2 Social Psychology and Social Anthropology, (New March 2000) 2 Tree crops 2 Adaptation 1 Agricultural soils 1 Agriculture 1 Agrosilvicultural systems 1 Biodiversity 1 Biological Resources (Animal) 1 less ...