论文部分内容阅读
西双版纳垦区1991年实有豫胶面积77.3193万亩,1901.1680万株,平均每亩24.58株(占全州橡胶面积136.4711万亩的56.65％)。其中:中幼林地面积18.0875万亩,565.9578万株,平均每亩31.29株(占垦区橡胶面积的23.4％);开割面积59.2318万亩,1154.19万株,平均每亩开割19.37株。年产干胶56293万吨(占全州总产干胶61338万吨的91.77％),年平均亩产干胶94.5千克,株产干胶4.88千克。
In 1991, Xishuangbanna reclamation area actually had 773,193 mu of rubber and 190,116,800 trees, with an average of 24.58 mu per mu (accounting for 56.65% of Quanzhou’s rubber area of 1,364,711 mu). Among them, the area of medium-sized and young woods was 180.0875 mu and 5.659578 million, with an average of 31.29 mu (accounting for 23.4% of rubber area of reclamation area). The cutting area was 59.2318 mu and 115.419 million, with an average of 19.37 mu per mu. With an annual output of 562.93 million tons of dry glue (accounting for the state total dry glue 613.38 million tons of 91.77%), the average annual yield of 94.5 kg per mu, strains of dry glue 4.88 kg.