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近年来,我场迹地更新与林间空地造林都以冷杉为主。共培育冷杉苗33.49亩,产菌464.3万株。苗木连年平均生长高度:1年生1.5厘米,2年生7.0厘米,3年生13.5厘米,4年生20.5厘米,5年生30.2厘米。其育苗方法介绍如下:一、苗圃地选择苗圃地要选择在林内交通方便,地势平坦,土层深厚的粉壤土或粘壤土。PH 值以
In recent years, I have been renovated in sites and fir forests. A total of 33.49 mu fir fir seedling cultivation, producing 464.3 thousand strains. Annual average annual growth height of seedlings: 1 year 1.5 cm, 2 years 7.0 cm, 3 years 13.5 cm, 4 years 20.5 cm, 5 years 30.2 cm. The nursery methods are described below: First, nursery to choose Nursery To choose within the forest, convenient transportation, flat terrain, deep soil or loam clay soil. PH value to