Effects of Different Afforestation Techniques on the Growth of Pinus tabuliformis Container Seedling in Ulanqab Region
In order to improve the rate of survival and the increment of Pinus tabuliformis container seedling planting in the poor area in Ulanqab,the study planted the seedlings in three ways,normal land preparation method,afforestation by water-harvesting and afforestation by mycorrhizal fungi inoculation.From 2014 to 2017,seedling survival rate,growth and soil water index were observed and measured,and evaluated the drought resistance of different afforestation techniques by subordinate function value.The results show that during 2014-2017,mycorrhizal fungi inoculation could obviously improve the survival rate,growth and soil water index compared with the other two afforestation methods.Combined the afforestation by water-harvesting and mycorrhizal fungi inoculation,indexes were better than other three afforestation methods.In addition,drought resistance evaluation of different afforestation methods ranged from high to low:afforestation by water-harvesting and mycorrhizal fungi inoculation＞mycorrhizal fungi inoculation＞water-harvesting＞normal land preparation method.
afforestation by water-harvestingmycorrhizal fungi inoculationPinus tabuliformis container seedlingsubordinate function value
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