【摘要】 采用杨树覆膜扦插育苗技术,能够有效地抑制杂草生长,杨树成活率提高了12.2%;1年生扦插苗的地径生长量和高生长量分别比对照提高了12.9%和15.5%;苗木出圃质量也得到了提高,其中一级苗提高了10.9%,二级苗与对照大体相当,三级苗则降低10.6%;采用该技术育苗每666.7 m2生产成本降低了220元,而收入则提高了1 600多元。更多还原

【Abstract】 Adopting the technology with film mulching and cutting propagation of poplar,which reduced weed growth,the survival rate of poplar increased 12.2%;The basal diameter growth and height growth increased respectively 12.9%,15.5% compared with the control.The seed quality also increased,including first-rate seedlings increased 10.9%,second-rate seedling equivalented to control,and third-rate seedling reduced 10.6%.The cost reduced 220 Yuan and the income increased 1 600 Yuan per 666.7 m2 by the technology.更多还原