果园通风透光的意义及调节□贾召庆通风透光是果园要求的重要生态条件。郁闭果园条件恶化，产量低、品质差，甚至绝产，放任生长树，枝条紊乱，成花少，座果率低，或适龄不结果，所以，改善果园通风透光条件，非常重要。调节果园通风透光的技术措施：一、合理的株行距实践... Orchard ventilation meaning and regulation □ Jia Zhaoqing ventilation is the orchard requirements of the important ecological conditions. Orchard conditions deteriorating, low yield, poor quality, and even absolutely not allowed to grow trees, branches disorder, less flowers, fruit rate is low, or age is not the result, so to improve orchard ventilation and light conditions, it is very important. Adjust the orchard ventilation and light technical measures: First, a reasonable spacing practice ...