阳畦育西瓜苗,可为大棚栽培西瓜提供种苗,使西瓜提早成熟。其方法是: —、建造阳畦:阳畦宜选在避风、干燥向阳、未种过瓜类作物的地方。阳畦大小应根据种植面积所需苗量而定。按每平方米苗床育苗250株,亩栽800株,需苗床4平方米计算,每个阳畦宽1.2米,长12—15米,深15厘米。阳畦四周垛成墙,北墙高30—40厘米,南墙高15—20厘米,东、西两侧北高南低,呈斜坡形,然后在阳畦北墙外设一2米高的风障,以利保温。 二、制营养钵:用6份无病菌的大田土加4份腐熟的有机肥,每立方米加草木灰50公斤,尿素0.5公斤 Yang Zheng Yu watermelon seedlings, watermelons for greenhouse cultivation seedlings, so that early maturation of watermelon. The method is: -, the construction of Yang 畦: Yang 畦 should choose to shelter, dry sunny, not planted melon crops place. Sunshine size should be based on the amount of seedlings planted area may be. According to the nursery bed per square meter 250, 800 acres of planted acres, need to bed 4 square meters, each Yang Yang is 1.2 meters wide, 12-15 meters long, 15 cm deep. The sun is surrounded by a wall into the wall, the north wall 30-40 cm high, 15-20 cm high south wall, east and west north north high south, was ramp-shaped, and then in the northern wall of Yangze a 2 meter high wind barrier , To facilitate insulation. Second, the system of nutrition bowls: with 6 non-bacteria soil field plus 4 parts of maturity of organic fertilizer, add 50 kg of wood ash per cubic meter, 0.5 kg of urea