Research on Afforestation Technology of Salix psammophila in High and Large Moving Dune in Kubuqi Desert
Based on the research on afforestation technology of Salix psammophila in high and large moving dune in Kubuqi desert,the result showed,① Soaked the seedlings of Salix psammophila with ABT 1 solution and water,the afforestation survival rate could be increased by 12.4% and 10.1%,the number of roots could be increased by 28.2% and 23.2% after planting for 3 months.② Annual amount of soil erosion with sand barrier was 23.6 cm/a,and the one was 95.8 cm/a without sand barrier.The amount of soil erosion was relative to line spacing.The amount of soil erosion with line spacing at 2 m was reduced by 16.1% than the one at 4 m.③ Compared with 2 cuttings and 4 cuttings in each hole,the survival rate and preserved rate of Salix psammophila seedlings could be increased by 5.0% and 50.3% separately.In this area,the middle and lower slope with the gradient from 5° to 15° could be chosen as the suitable terrain for Salix psammophila,which was perpendicular to the main wind direction.
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