适时适量潜水:落叶松从播种到出全苗。每天浇水1～2次;从全苗到第二层针叶出齐前,每天浇水1次。用喷壶在床(垄)面上喷洒,每10平方米(一个床面或大垄30延长米)1次灌水100斤左右。第三层针叶出现后,采取侧方灌水,不要超过床(垄)面,以润透床面为宜。夏季,蒸发最大,苗木进入生长旺期时,可进行漫 Appropriate amount of diving in time: larch seedlings from sowing to out. Watering 1 to 2 times a day; from the whole seed to the second layer of coniferous Qi before watering 1 time. With watering cans sprayed on the bed (ridge) surface, every 10 square meters (a bed or large ridge extension 30 meters) 1 irrigation 100 pounds. After the emergence of the third layer of needles, take lateral irrigation, do not exceed the bed (ridge) surface, in order to run through the bed appropriate. Summer, the largest evaporation, seedlings into the growing season, can be diffuse