紫花油豆角是优良的地方品种,栽培历史悠久,产品畅销省内外。依安县经过多年种植,形成了温室、大棚、覆膜、露地综合配套的栽培模式,一年四季均可生产,取得了显著的经济效益和社会效益。现将紫花油豆角覆膜栽培技术介绍如下。1选地选茬1.1选地应选择地势平坦、耕层深厚、土壤肥沃、通透性好、靠近水源的地块。忌选盐碱地和低洼易涝地。1.2选茬宜选用玉米、小麦、马铃薯和亚麻茬。不选豆茬、重茬和迎茬。 Purple flowers beans is a good local varieties, cultivation has a long history, the products sell well both inside and outside the province. After years of planting, Yi’an County has formed a comprehensive cultivation mode of greenhouses, greenhouses, covered mulch and open fields and can produce all year round with remarkable economic and social benefits. Now purple flowers covered with beans cultivation techniques are as follows. 1 electoral cropping 1.1 Elections should be selected flat, deep plowing, fertile soil, good permeability, near the water plots. Avoid salt and alkali and low-lying floods. 1.2 Selection should use corn, wheat, potato and linen stubble. Do not choose stubble, stubble and stubble.