编辑同志:我园于1980年春定植苹果70亩,2000多株,株行距4×5米。由于去年管理不善,全年虫害为害三次,使果树生长受到影响。今春大队调我管理果树,因为我对业务也比较生疏,病虫害的防治工作仍没有做好。我县原有果树技术交流网会,根据生 Editor’s Comrade: I Park in the spring of 1980 planted 70 acres of apples, more than 2000 strains, spacing 4 × 5 meters. Due to the poor management last year, the annual pest damage three times, so that the growth of fruit trees affected. This spring, the brigade transferred me to manage fruit trees because I am also a relatively unfamiliar business. The prevention and control of pests and diseases are still not well done. My county’s original fruit tree technology exchange network will, according to students