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为了逐步摸索杉木速生丰产的经验,我们从1974年春开始,对杉木进行幼林抚育试验,现将试验情况汇报如下:一、试验材料和方法试验地分别设在我场馒头山西南坡和马鞍山西坡,面积分别为32.31亩和17.24亩。土壤均为石砾土,瘠薄干燥,肥力较差。1970年和1971年对这两块林地进行了水平梯田条垦整地,并于次年春用2年生苗木造林,株行距均为139.6厘米×56.4厘米。栽后,即1972年、1973年仅作了一般抚育管理。
In order to gradually explore the experience of fast growing Chinese fir, we start from the spring of 1974, fir young forest tending test, the test report is as follows: First, the test materials and methods were located in the experimental site of the South Mountain bread and wheat fields west slope of Ma’anshan , With an area of 32.31 mu and 17.24 mu, respectively. Soil are gravel soil, barren and dry, poor fertility. In 1970 and 1971, these two plots of woodland were reclaimed for leveling terraced fields. In the next spring, they were reared with 2-year-old seedlings and the row spacing was 139.6 cm × 56.4 cm. After planting, that is, 1972, 1973, only made a general nurturing management.