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蔬菜及部分农作物实行早熟栽培,提早收获,冬季往往需用温床育苗,为了提高育苗质量,应做好以下几点:一、选择地势温床应选在背风向阳、地势高燥的地方,无条件的可在北面建立一个风障,以利增加光照和提高温度。二、温床结构一般可选半地下式温床结构,即床土应低于地面,支架在地面以上,一般深0.7米,宽1.5米,长度不限,北墙比南墙高0.5米,南墙高出地面7厘米左右即可,塑料膜要薄而透明度高。
Vegetables and some crops to implement precocious cultivation, harvest early, often need to use hotbed nursery in winter, in order to improve the quality of nursery, should do the following: First, the choice of topographical hotbed should be selected in the leeward, terrain Gaozong place unconditional Create a wind barrier to the north to increase light and temperature. Second, the hotbed structure is generally optional Semi-underground hotbed structure, that bed soil should be lower than the ground, the bracket above the ground, generally 0.7 meters deep, 1.5 meters wide, the length is not limited, the northern wall 0.5 meters higher than the south wall, About 7 cm above the ground can be plastic film to be thin and high transparency.