近年来 ,滦南县宋道口镇群众将原先地芸豆露地直播和育苗移栽后再扣小拱棚的方式 ,改进为用地膜覆盖直播 ,再扣小拱棚 ,双膜覆盖模式 ,既可省去育苗程序 ,又可提温保墒 ,有利于早播、早采 ,提高经济效益 ,其主要技术要点是 :一、品种选择选用嫩荚肉质多 ,品质好 ,收获早 ,采收 In recent years, the people of Song Dao Cun Town, Luannan County, the original direct broadcast of kidney beans and transplanting seedlings transplanted small arch way to improve coverage with live film mulch, and then deducted a small shed, double membrane covering mode, eliminating the need for nursery Program, but also temperature moisture, is conducive to early sowing, early mining, improve economic efficiency, the main technical points are: First, the selection of varieties of tender and tender meat quality, good quality, early harvest, harvest