1.整地:大麻是深根作物,主根能深入土层200厘米以上,侧根大部分在20～40厘米土层内,吸肥力弱,不耐盐碱,对土壤要求严格,因此要选土壤肥沃、疏松、土层深厚、灌溉方便的田块.秋翻35厘米,早春化冻18厘米左右时顶凌整、耙、压连续整地,达到地平、土碎、保墒,作成宽200厘米的长畦(如土地 1. Land preparation: Cannabis is a deep-rooted crop. The main root can penetrate more than 200 cm above the soil and most of the lateral roots are in the soil layer of 20-40 cm. It is weak to absorb fertility and does not tolerate salt and alkali. Therefore, it requires strict soil fertility , Loose, deep soil, easy irrigation plots.Following turn 35 cm, early spring thawing about 18 cm top Ling, rake, pressure continuous preparation, to the ground, soil broken, preserving soil, made of 200 cm wide Such as land