Effect of Site Type Division on Afforestation Effect of Pinus Huashanensis in Annual Farmland Conversion Project in Weining Autonomous County
Since 2014,Weining Autonomous County has implemented a"new round"project to return farmland to forest,and succes-sively planted timber forest Huashan Pine.In August and September 2020,relevant personnel were organized to investigate and analyze the afforestation effect of Huashan pine at different altitudes and different slopes.According to the survey results,the survival rate of the slope in the high and middle mountains is slightly higher than that of the steep slope,but the survival rate of the steep slope also reaches the ideal standard.The survival rate of slope in the middle and middle mountains elevation region is 43%,and that of steep slope in the middle and middle mountains elevation region is 41%.Compared with steep slope,the survival rate of slope is slightly higher,but there is no significant difference.The disease rate of steep slope in Gaoshan region was slightly higher than that of slope,but there was no significant difference in the whole,which indicated that planting Pinus huasanensis on slope in Gaoshan region was feasible.The disease of steep slope was slightly obvious in the middle and middle elevations,but on the whole,there was no big differ-ence,indicating that all steep slopes could be planted.The results show that site type division is the most important work in forest man-agement and afforestation design.Through site study,the most productive afforestation trees can be selected,and appropriate forest cultivation measures can be proposed,so as to achieve the purpose of sustainable and efficient forestry development.
Site typereturn farmland to forestpinus huasanensisafforestation effect
万方数据
维普
