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冬季利用小拱棚种韭菜,不仅可调节淡季蔬菜供应,还能获得较高的经济效益。其主要管理措施是:1、盖膜前准备一般在“大雪”(封冻)前拱盖。拱畦宽1米、长20米,高0.3-0.4米。拱盖前,去除田间杂物,耧平畦面。在韭菜根部每亩追施25担人粪尿,并用腐熟肥细土每亩15担盖根,再用800-1000倍液的辛硫磷灌根,消灭地下越冬害虫,然后沿着畦沟阴足水分。最后再用2米宽透明塑料薄膜封架。2、苗期管理韭菜拱盖后,夜间须加盖草帘保温,晴天揭帘提
Winter use of small shed shed leek, not only to regulate the supply of off-season vegetables, but also access to higher economic benefits. The main management measures are: 1, cover film preparation generally in the “snow” (frozen) before the arch. Arch 畦 wide 1 meter, 20 meters long, 0.3-0.4 meters high. Before the arch cover, remove the debris in the field, 耧 flat noodles. In the root of leek topdressing 25 people per acre manure urine, and the use of fine soil soaked with fertilizer 15 per burned roots, and then 800-1000 times of phoxim root irrigation, eliminate underground pests, and then along the ditch ditch Full of water. Finally, 2 meters wide and transparent plastic film sealing rack. 2, seedling management Leek arches, the night must be stamped with straw curtain insulation, sunny day to mention curtain