After tree pruning in early June 2001, relative PAR index of the peanut crops was increased to 88.7% and 67.5% from 79.2% and 63.4% in May in the 5-year-old and 9-year-old Choerospondias axillaris alley cropping systems, respectively.

• 2001年6月初剪枝后；5龄和9龄南酸枣间作系统花生相对光合有效辐射分别从5月份的79.；2%25和63