据蔬菜技术推广站有关人士介绍,传统方法栽培大棚蔬菜往往产量低、效益差,若改用以下五项措施,可使大棚蔬菜的产量和效益成倍提高。一改普通膜覆盖为无滴膜覆盖。选用无滴膜后可使水珠顺膜面流下,既不会因水滴沾湿伤害植株,又可减少棚 According to the introduction of vegetables technology promotion station, the traditional method of growing greenhouse vegetables is often low yield and poor efficiency. If we switch to the following five measures, the yield and benefit of greenhouse vegetables will double. Change a normal film coverage for drip film coverage. Use non-drip film can make the water drop down the membrane, neither because of water droplets damp injury plants, but also reduce the shed