一、水肥管理12月中下旬至2月中旬,处于低温寡照季节,这时的水分管理很重要,通常每隔15～20天只在小行距沟中浇暗水,且在晴天上午浇,阴雨雪天不浇水。2月中旬到3月中旬,每隔10天左右浇一次水,且在大小行距间都要浇水。3月中旬 First, the water and fertilizer management In late December to mid-February, in the season of low temperature oligarchs, when the water management is very important, usually only every 15 to 20 days in the small row of ditch in the dark water, and in the sunny morning pouring, rainy Snow is not watering. From mid-February to mid-March, water should be poured in about 10 days, and water must be watered between size and row spacing. Mid-March