主题词:Agronomic Practices and Intercropping Systems; Agroforestry and silvopastoral systems; Crop Yield and Soil Fertility; Agricultural Science and Fertilization; Agricultural Economics and Practices; Ruminant Nutrition and Digestive Physiology; Genetics and Plant Breeding; Rangeland Management and Livestock Ecology; Agricultural pest management studies; Livestock Management and Performance Improvement; Rice Cultivation and Yield Improvement; Botany and Plant Ecology Studies; Agricultural Systems and Practices; Seed Germination and Physiology; Bioenergy crop production and management; Forest ecology and management; Soil Carbon and Nitrogen Dynamics; Agriculture and Rural Development Research; Wheat and Barley Genetics and Pathology; African Botany and Ecology Studies; Agriculture, Plant Science, Crop Management; Genetic and Environmental Crop Studies; Rangeland and Wildlife Management; Botanical Research and Chemistry; Ecology and Vegetation Dynamics Studies