黄岩区宁溪镇五部村郑开雨15年前就开始种植杨梅、枇杷、柑橘等果树,但因疏于管理,收效甚微。近年来,他通过科学管理,收入直线上升。郑开雨今年55岁。1987年,他家分到了自留山,就栽了70多株杨梅,继而又栽了100多株枇杷、200多株柑橘。因长期疏于管理,好多果树被柴草覆盖,长势不佳,收益甚微。后来,他了解到附近村民科技种果树致富,便下决心管理好这批果树。他进农函大读书,购 Zhengyan Yu, Wucun, Ningxi Town, Huangyan District, started planting bayberry, loquat and citrus fruit trees 15 years ago, but because of negligence in management, the effect was negligible. In recent years, through scientific management, his income has plummeted. Zheng Kaiyu 55 years old this year. In 1987, his family assigned to self-stay mountain, it planted more than 70 red bayberry, then planted more than 100 strains of loquat, more than 200 citrus. Due to long-term neglect management, many fruit trees are covered with firewood, poor growth, little profit. Later, he learned that after the villagers’ science and technology fruit trees became rich, they determined to manage the fruit trees well. He entered the agricultural letter big study, purchase