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针对我国北方寒旱区困难立地造林成活率低、保存率难于保证这个客观实际,研制出一种可于初冬季节造林的冻土坨营养杯大苗造林新技术。试验区面积为133.3hm~2,取得了困难立地造林当年成活率平均达到96%、5年后的保存率平均在90%以上的好成绩,与传统老旧的造林模式相比较,每667m~2可节省造林费600元。它既适用于在困难立地上营造生态林和“青山工程”建设,亦适用于商品林造林、果树栽植、沙漠治理和城乡园林绿化,有望成为我国北方寒旱区困难立地植被恢复最可宝贵的造林技法。
Aiming at the low survival rate of the afforestation in the cold and dry areas in northern China and the poor preservation rate, it is difficult to ensure the objective reality. A new technology for afforestation of Tuote nutrition cup in afforestation of the early winter season is developed. The experimental area was 133.3 hm ~ 2, and achieved good results when the survival rate of the afforestation site reached 96% on average and the average preservation rate after 5 years was above 90%. Compared with the traditional afforestation model, 2 can save afforestation fee 600 yuan. It is suitable for the construction of ecological forest and “Castle Peak Project” on difficult sites and also for afforestation of commercial forests, fruit trees, desertification control and urban and rural landscaping. It is expected to become the most recoverable site of vegetation in difficult cold and dry land in northern China Valuable afforestation techniques.