青豆芽不需施用化肥和农药,是一种无公害绿色蔬菜,并可周年生产。该项技术简易、快捷、高效,很受农民欢迎。主要种植技术如下: 1 建棚 苗棚适宜面积为300平方米左右,其规格一般为后墙高1.8米,前墙高0.7米,南北跨度7米左右,棚东西北三面用砖垒成,顶上搭架覆盖薄膜和草苫子,棚前面用薄膜压盖,有利采光增温。 整畦。畦的方向为南北式,长短据棚宽度而定,畦宽1米左右,为的是便于操作。畦埂用砖平放排直,畦内要整平耙细,然后蹾实畦底面。这样做,一是可减少豆芽根的伸长和防止侧根发生, Green bean sprouts do not need to apply fertilizers and pesticides, is a pollution-free green vegetables, and annual production. The technology is simple, fast and efficient, very popular with farmers. The main planting techniques are as follows: 1 Jianpengmiao shed appropriate area of ​​about 300 square meters, its specifications are generally 1.8 meters high back wall, the front wall 0.7 meters high, north-south span of about 7 meters, On the shelves cover film and grass prickly heat, the shed in front of the film gland, heating lighting. Whole 畦.畦 the direction of North-South type, according to the width of shed width, 畦 width of about 1 m, for ease of operation.畦 埂 Lay straight with bricks, 畦 fine leveling rake thin, and then 蹾 real 畦 bottom. In doing so, one can reduce the elongation of bean sprouts root and prevent the occurrence of lateral roots,