要使四季豆开花多,结荚多,连续开花结荚,采收期长,病虫害少,畸形豆少,优质豆多,产量高,必须及时做好肥水管理和病虫害的防治工作,以保证养分供应,保持水分均匀供给,减轻病虫为害,具体技术措施如下:一、施肥管理。四季豆的施肥,应以 To make more green beans flowering, pod and more pod continuous flowering, long harvest period, less pests, malformed beans, high-quality beans, high yield, fertilizer and water must be timely management and prevention and control of pests and diseases in order to ensure nutrients Supply, to maintain an even supply of water to reduce pests and diseases, the specific technical measures are as follows: First, fertilization management. Green beans fertilization should be