一、定植1.定植沟的挖掘与回填。大穴栽植有利于促进幼苗根系的迅速生长和扩展,保证葡萄早结果和稳产优质。定植沟要按设计的行距株距挖掘,深、宽各为1米。挖掘时将新土和表土分开堆放,挖好后分别进行回填。回填时先在沟底铺上20厘米左右厚粉碎的玉米秸、麦秸、花生秧、红薯秧等有机物,然后将表土与农家肥混合填 First, colonization 1 planting ditch excavation and backfill. Large-hole planting is conducive to promoting the rapid growth and expansion of seedling roots to ensure early results and stable quality of grapes. Planting ditch according to the design line spacing from the excavation, deep, wide, each one meter. Excavation will be separate from the new soil and topsoil, digging, respectively, after the backfill. Backfill first shop in the ditch about 20 cm thick crushed corn stalks, wheat straw, peanut seedlings, sweet potato seedlings and other organic matter, and then topsoil and manure mixed fill