论文部分内容阅读
双层膜节水型苗木栽植法①应在头一年秋将坑挖好，一般土层较厚的地方，按１ｍ见方挖好，沙土地以６０～８０ｃｍ即可。当回填土达栽植深度时灌水，随后灌封冻水，待水浸后再将坑填平。②春栽时再将坑内的土挖至栽植深度。在挖好的坑内底部视坑的大小，先铺一层薄型农膜。...
Double-membrane water-saving seedlings planted ① should be the first year of the pit excavation, the general soil thicker place, dug 1m square good, sand to 60 ~ 80cm can be. When the backfill depth of planting irrigation, then pour sealed frozen water, and then fill the pit after flooding. ② spring planting and then dug the pit to planting depth. Dig in the bottom pit pit as the size of the first shop a thin layer of plastic sheeting. ...