盐碱地保护穴植树法柳桂林在盐碱地采用保护穴植树法，即树穴里采用保护措施，使穴里的土壤相对无盐碱或少盐碱，有利于树苗新根的生长，使新根长成壮根大根后，耐盐碱能力大大提高，从而保证树木的成活。保护穴植树法具体有以下两种：一、两膜法。栽树前，先在树穴里铺上... Saline-alkali protection hole planting tree method In Guilin, Saline-alkali soil protection tree planting method, namely the protection of the tree hole protection measures, so that the soil in the hole relative to no salinity or alkali, is conducive to the growth of new roots of saplings, so that the new root grow into After the root of strong roots, salt tolerance greatly increased capacity to ensure the survival of trees. Protection points tree planting method specifically has the following two: one, two membrane method. Before planting trees, first spread in the tree hole ...