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华北落叶松育苗 ,在内蒙古地区一般两年才能出圃。宁城县头道营子苗圃通过多年实践与研究 ,使华北落叶松当年生苗平均高达 2 9ｃｍ以上 ,平均地径 0 .4ｃｍ ,而且根系发达 ,顶芽饱满 ,木质化度程度较好。每 667ｍ2 产合格苗达 18万株。达到了 2年生落叶松苗木质量标准。通过试
Larix principis-rupprechtii nursery, in Inner Mongolia in general two years to nursery. Through years of practice and research, the first seedlings of Larix principis-rupprechtii in Ningcheng County have an average height of 29 cm or more and an average diameter of 0.4 cm. The roots are well-developed, the top bud is full, and the degree of lignification is better. Each 667m2 qualified Miao amounted to 180,000. Reached 2 years Larch seedling quality standards. Pass the test