1．选用适宜的品种适宜早春保护地早熟栽培的菜豆品种有法国1号、法国2号、大人粒菜豆、芸丰架豆、春丰4号和丰收1号等。这几个品种均具有生育期短、采收期集中，综合商品性好的特点。2．提早播种育苗改常规直播为育苗移栽，集中育苗，集中管理。在增强保温设施情况下，可将播 1. Selection of suitable varieties suitable for early spring protection of cultivated varieties of beans are France 1, France 2, large grains beans, Yunfeng shelf beans, Chunfeng 4 and harvest on the 1st and so on. These varieties have a short reproductive period, harvesting focus on the characteristics of good overall merchandise. 2. Early sowing seedlings to change conventional live transplanting seedlings, focus on nursery, centralized management. In the case of enhanced insulation facilities, can broadcast