论文部分内容阅读
去年夏天,虞山林场遇到百年未有的大旱,自6月29日至8月8日整整41天晴热无雨,日最高气温超过35℃的酷热天气持续27天,出现了遍地草木枯萎的灾情,一个夏季全场茶园减产8万多kg鲜叶。在炎炎烈日之下,种植在虞山周围的800多亩成年全日照茶园都出现不同程度的灼伤,有的叶片发黄,有的枝叶凋萎,甚至焦枯。惟有种植在虞山上的100多亩林间茶园未出现灼伤现象,其中有25亩是1988年以来发展的无性系良种林间茶园,至今成活率仍然达到90%以上,6.7亩去年栽植的龙井43和大毫无性系林间新茶园仅在干旱期间少量浇过一次水,成活率达到95%,其他种子直播的林间新茶园也未抗旱,其成苗率
Last summer, Yushan Forest encountered a hundred years of unprecedented drought, from June 29 to August 8, a full 41 sunny fine rain, the maximum daily temperature exceeding 35 ℃ hot weather lasts for 27 days, there have been over the grass Withered disaster, a summer audience tea production more than 80,000 kg of fresh leaves. Under the scorching sun, all 800-year-old adult full-day tea plantations planted around Yushan suffered various degrees of burns. Some of the leaves were yellowed and some were withered or even scorched. Only 100 mu of forest tea plantations planted on Yushan Mountain did not appear burns. Among them, 25 hectares were clonal tea farms developed since 1988. The survival rate has still reached 90%, and 6.7 mu of longjing 43 planted last year And no clonal forest tea plantation only during the drought a small amount of water poured once, the survival rate of 95%, other seedlings of new tea plantations in the forest did not drought, and its seedling rate