灌水要适时.扦插后出苗前要灌头遍水,并要浇匀、浇透。以后根据气候和土壤情况适时灌水。灌水应掌握头遍水饱灌,二遍水浅灌,幼苗发根蹲苗期少灌,生长期多灌,追肥后及时灌,生长后期停止灌的原则,一般全年灌水5～6次。同时要注意雨季排水,防止幼苗烂根。追肥要合理.追肥用尿素或硫酸铵,每亩20～40斤,分2～3次 Irrigation should be timely. After cutting the seedlings before filling to the water, and to pour evenly, drenched. After the timely irrigation according to climate and soil conditions. Irrigation should be grasped over the water head irrigation, water twice shallow irrigation, seedling rootlet squat seedling less irrigation, growth period irrigation, top dressing and timely irrigation, the latter part of the growth of the principle of stopping irrigation, the general irrigation 5 ~ 6 times a year. At the same time pay attention to the rainy season drainage, to prevent seedling rot roots. Topdressing should be reasonable. Topdressing with urea or ammonium sulfate, 20 to 40 pounds per mu, points 2 to 3 times