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长期以来,群众虽有种桐的习惯,但管理极为粗放,唯一的措施只在部分桐林中进行垦复,结果又加剧了水土流失,致使油桐产量很低。目前,白河县平均亩产桐油10.8斤,单株产油0.18斤。为了利用现有桐林资源,发挥山区优势,增加广大群众收入,近几年来我们在桐油主产区进行了低产林改造工作,取得了显著效果。主要做了如下几方面工作:1.在桐林生长发育的不同阶段,采用有机肥、无机肥、微量元素相结合的施肥方法,减少大小年差距,增加桐果产量。在花期,每亩用0.5%硫酸锌、1ppm 的30—烷醇进行叶面喷雾;在果期,每亩用6～10斤尿
For a long time, though the people have the habit of planting seeds, the management is extremely extensive. The only measures are reclamation only in part of Tonglin. As a result, soil erosion is exacerbated, resulting in very low output. At present, Baihe County, an average of 10.8 kg per mu tung oil, 0.18 kg per plant oil. In order to make use of the existing Tonglin resources, give full play to the advantage of mountainous areas and increase the incomes of the general public, we have carried out the transformation of low-yield forests in the main producing areas of tung oil in recent years and achieved remarkable results. The main work done in the following aspects: 1. In the different stages of growth and development in Tonglin, using fertilizers combined with organic manure, inorganic fertilizers and trace elements to reduce the year-to-year difference and increase the yield of Tongguo fruit. In florescence, with 0.5% zinc sulfate per acre, 1ppm 30-alkanol foliar spray; in the fruit, per mu with 6 to 10 pounds of urine