Intercropping Agricultural ecology 1 Agroforestry 1 Agroforestry and Multipurpose Trees: Community, Farm and Social Forestry 1 Biodiversity 1 Cycling 1 Dissertations, Academic (Ph.D) 1 Fire 1 Food webs 1 Indigenous knowledge 1 Medicinal plants 1 Models 1 Mycorrhizas 1 Nutrient uptake 1 Plant Physiology and Biochemistry 1 Plant-soil relationships 1 Plow 1 Root systems 1 Soil Biology 1 Soil Chemistry and Mineralogy 1 Soil fertility 1 Soil organic matter 1 Spatial distribution 1 Thesis (Ph.D)-Botany 1 Tropics 1 Vignettes 1 Weeds 1