agro forestry system 第1页

Analysis of energy flow of rubber tea chicken agroforestry system in tropical area of China SELECTION OF FOREST BELTS AND MULTIPLE CROPPING SUBSYSTEMS IN THE AGROFORESTRY SYSTEM ON SLOPE IN THE HILLY REGION OF SICHUAN BASIN EFFECTS OF PROPERTIES OF UNDERLYING SURFACE ON MICRO ECOLOGICAL ENVIRONMENT OF AGRO FORESTRY SYSTEM