Study On Reason Of The Death And Reconstruction Techniques Of Pinus Sylvestris Var.mongolica Plantation For Sandy-fixation In West Of Liaoning Province

This article analyzed Pinus sylvestris var. mongolica sand-break management and the death in Zhanggutan area of Liaoning province systemically. Any reason, which influenced stability of trees, was discussed. This paper confirmed the standard of appraisement about the stability and gave the advice about plantation for sand fixation.First, accounting to the sand-control and plantation experiences and different conditions, the article sum up three modes of Scotch Pine sand-break in Zhanggutan area: forest and farming complex mode, lumber using shelterbelt forest, vegetation recovering mode. At the same time, growth and soil benefit of Pinus sylvestris var. mongolica were analyzing. At last, the planting technology of mixing forest was discussed in Zhanggutan area. The fitting trees, mixing mode and planting technology were ensured.