茶树原产于亚热带,属多年生常绿作物,具有喜温湿耐阴怕旱的习性;气温过高,雨量过少,茶树生长就会受到抑制。我所地处赣中丘陵,气候特点,往往每年七、八月间,晴多雨少,温度高,蒸发量大,对茶叶生产带来了许多不利因素。1976年7月中、下旬,由于气候干燥,气温高,使幼龄茶园大部份茶树春梢成叶发生较重的 Tea tree native to the subtropical, is a perennial evergreen crop, with a habit of hi temperature and dampness shade afraid of drought; the temperature is too high, too little rainfall, tea tree growth will be suppressed. I am located in Ganzhong hills, climate characteristics, often in July and August every year, sunny and less rain, high temperature, evaporation, brought a lot of unfavorable factors for tea production. Mid-to-late July 1976 Due to the dry climate and high temperatures, most of the young tea plantations had a heavier spring leaf tip