以松皮粉为基质的西南桦容器苗培育技术

采用7种不同配比的容器基质(其中包括2种有不同比例马尾松树皮粉组成的基质)进行西南桦容器苗培育试验,用不同基质的苗木平均地径、苗高和容器重等指标对育苗效果进行综合评价,结果表明:不同基质配比的平均苗高、地径和生物量生长均达到显著差异;G处理(黄心土50%+松皮粉25%+表土25%)育苗效果最好,其次是E处理(黄心土75%+松皮粉25%)、F处理(黄心土50%+松皮粉50%),D处理(黄心土50%+泥炭50%)育苗效果最差。建议在西南桦生产育苗过程中使用适当比例的松皮粉作为容器苗基质。

The techniques for raising container seedlings of Betula alnoides applied with medium of pine bark powder

An experiment for raising container seedlings of Betula alnoides applied with 7 different ingredients of container media which comprised 2 different proportions of pine(Pinus massoniana)bark powder.Based on integrated assessment with the mean ground diameter,the seedling height and the weight of medium in the container,the results showed that 1) there is a significant difference in the mean ground diameter,height and total biomass among different container seedlings;2) the treatment B(v/v: 50% of subsoil + 25% of pine bark + 25% of top soil) is the best gradient of medium for raising container seedlings,the treatment F(v/v: 50% of sub soil +50% of pine bark) is a better one,and the treatment D(v/v: 50% of subsoil +50% of peat soil) is the worst one.The pine bark is suggested to apply with appropriate proportion to raise container seedlings of Betula alnoides.