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大棚既可在冬春季用来培育夏菜幼苗,又可在夏季用来育秋冬菜幼苗。冬春季常用来培育果菜类蔬菜幼苗,其方法有两种: (一)大棚移苗:即用大棚代替玻璃苗床,把在露地冷床、温床或快速育苗等方法培育的苗移在大棚中加设的小棚内,气温低时在小棚上再盖草帘。所设小棚的宽度随大棚规格而不同,常用的5米宽大棚,一般走道设在大棚中央,宽70～80厘米,走道两侧设移苗小棚,宽1.4—1.5米,小棚外侧离大棚边60—70厘米,以便堆放草帘和进行操作管理。小棚不宜过高,一般为0.5—1米,常用竹片或细竹竿作拱架。移苗时实际使用面积为50—60％。苏北地区因气温较
Greenhouses can be used in both winter and spring to cultivate summer seedlings, but also in the summer to raise autumn and winter vegetables seedlings. Winter and spring commonly used to cultivate fruit and vegetable vegetable seedlings, there are two ways: (A) Greenhouse Miao Miao: Greenhouses instead of glass seedbed, the open field bed, hotbed or rapid breeding methods such as seedlings moved in the greenhouse plus Set the shed, when the temperature is low in the shed and then covered straw curtain. The width of the shed is different with the specifications of the shed, commonly used 5-meter-wide shed, the general aisle located in the central greenhouse, 70-80 cm wide, walkway on both sides of the seedling shed, 1.4-1.5 meters wide, outside the shed 60-70 cm from the side of the greenhouses for stacking straw curtains and operational management. Shed should not be too high, usually 0.5-1 meters, commonly used bamboo or thin bamboo pole for arch frame. Miao Miao when the actual use of the area of 50-60%. North Jiangsu due to temperature