英国有一种简化造林方法,即在宜林地上不经整地直接在有植物生长的土壤上进行造林。人们用灌木破碎碾压机破坏高达7米、平均胸径14厘米的灌木林。破碎机用50马力的履带拖拉机牵引,也可以用适宜的四轮拖拉机牵引。碾压机固定在拖拉机的三点联结器上,它本身没有驱动装置(图1)。为了保护冷 There is a simplified method of afforestation in the United Kingdom, where afforestation is carried out directly on the soil where the plants are growing on the forest floor, without soil preparation. Shrubs are shredded with shrubs to destroy shrubbery up to 7 meters in diameter and an average of 14 cm in diameter. Crushers with 50 horsepower crawler tractor traction, you can also use the appropriate four-wheel tractor traction. The compactor is attached to the tractor’s three-point coupling without the drive itself (Figure 1). To protect the cold