我们怀集县林科所遵照伟大领袖毛主席“农业学大寨”的指示,奋发图强、自力更生,在一九六五年——六六年间,先后在土壤比较瘦瘠干旱的山地上,用撩壕造林的方法,成功地营造了四十多亩杉树速生丰产试验林。几年来的实践证明,采用这种方法造林,不但杉树生长很迅速,六年便可成材,而且单位面积产量也比较高,还便于实行林农间种,能够增产 In Huaiji County, the forestry department, under the direction of Chairman Mao’s “Agriculture Studies in Dazhai”, the great leader Chairman Mao, has been working hard to make itself stronger and self-reliant. From 1965 to 1986, he worked in a mountain of thin and arid soil, Trenches afforestation method, successfully created 40 acres of fir fast-growing test forest. Practice over the past few years have proved that using this method of afforestation, not only the rapid growth of cedar trees, timber can be made in six years, and yield per unit area is relatively high, but also to facilitate the implementation of inter-forest farmers, to increase production