枫香造林苗木标准的探讨

On the standard of Beautiful Sweetgum saplings forestation

根据枫香1a生苗3个群体26个样方的调查资料,探讨了枫香育苗造林中亟待规范的苗木规格问题,并按多因素综合衡量的原则,提出黄山地区枫香1a生苗木标准为:Ⅰ级苗,苗高70cm以上,地径07cm以上;Ⅱ级苗,苗高50～69cm,地径050～069cm。

According to the investigated datum of 26 quadrats from 3 colonies for the yearling Beautiful Sweetgum,a subject of the dimension sapling is approached,which now needs to be standardized for the Beautiful Sweetgum saplings forestation;and on the principle of overall judgament for various elements,advances that the standard of the yearling Beautiful Sweetgum in Huangshan area should be:Grade I sapling,over 70 cm in height,over 0 7 cm in ground diameter;Grade Ⅱ sapling,50～69 cm in height,0 50～0 69 cm in ground diameter. Author’s address:Huangshan Forestry School,Anhui Huangshan 245001 China