海南省南平农场建设队女胶工张荣翠自1980年至1989年,共产干胶21.9吨,创产值15.3万元,10年完成了13年的生产任务,荣获了“全国优秀胶工”的称号。一个普普通通的女工,为什么连年夺得橡胶高产呢?原来,她有自己的胶树“三期”施肥经。开割前期,挖肥沟、混施各种优质肥。具体做法是:在两株胶树的中间,平行距树一米处挖一条长2米、上宽60公分、下宽50公分、深40公分的梯形肥沟。每个肥沟第一层先压下150公斤的草绿肥;第二层施下120公斤猪粪、牛粪或人粪尿等农家肥;第三层压下240 Hainan Province, Nanping farm construction team female plastic workers Zhang Rongcui from 1980 to 1989, a total of 21.9 tons of adhesive, a production value of 153000 yuan, 10 years to complete 13 years of production tasks, won the “outstanding rubber workers” title. An ordinary female worker, why in successive years won the rubber high yield? It turned out that she has its own gum tree “three” fertilization. Cut pre-cutting, digging ditch, mixing a variety of high-quality fertilizer. Specific approach is: in the middle of two gum trees, dug a tree from a distance of 2 meters long, 60 centimeters wide, under the width of 50 cm, 40 cm deep trapezoidal ditch. The first layer of each furrow first presses down 150 kg of green manure; the second layer imposes 120 kg of manure such as pig manure, cow manure or human excrement; the third layer depresses 240