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用苗龄为70天左右的华山松裸根苗造林,是我场近几年来大面积造林成功采用的方法。此方法简单易行,成木低廉,效果较好。今年,我们在总结过去成功经验的基础上,又特别掌握好土壤、种子灭菌处理,植苗方法及值苗季节几个关键性的技术环节,造林效果比往年更好。现将具体做法浅述如下: 一、苗圃地的选择: 苗圃地要选择靠近造林地,地势平缓,交通方便,靠近水源,土壤疏松,排水通风良好,土层厚度在50厘米以上,PH值呈微酸性的砂壤土、壤土或轻粘壤土上。苗圃地最好是种过松、杉针叶树或壳斗科树,而且是肥力较好的
With seedling age of about 70 days of Huashan pine bare seedlings afforestation, is my field in recent years a large area afforestation method successfully used. This method is simple and easy, into a wooden low, the effect is better. This year, on the basis of summing up the successful experiences of the past, we have also mastered several crucial technical aspects of the soil, seed sterilization, seedling methods and seedling season. The afforestation effect is better than in previous years. The specific practices are as follows: First, nursery to choose: Nursery to choose near afforestation land, flat, easy access, close to the water, loose soil, drained well-ventilated, soil thickness of 50 cm or more, PH value was Slightly acidic sandy loam, loam or lightly loamy soil. The nursery is best planted with pine, cedar or Fagaceae, but also better fertility