Competitions between water，nutrient，and light of Choerospondias axillaris trees and peanut in the low hilly land of red soil．-I．Growing and developing properties and their yields of Choerospondias axillaris trees and peanut

Compound plantation of Choerospondias axillaris trees and peanut can promote the growth of Choerospondias awillaris in the low hilly land of red soil．Production of peanut has been increased year after year with soil ripening．But the growth of peanut in agroforestry shows metamorphosis after the second year and its yield and biomass show a progressire decrease owing to Choerospondias axillaris．