1992年赤峰市科协从外地引进3个优良地豆角品种原种,试种扩繁成功,其品质优良,早熟丰产。为提早上市或麦茬复种创造了条件,丰富了人们的菜篮子。三个豆角品种介绍:一、极早生豆角由日本引进,是优质高产、早熟的菜豆新品种。株高50～70厘米,典型单株结角百余个,一般单株结角50～70个,亩产鲜豆角2000～2500公斤. In 1992, Chifeng Association of Science and Technology from the field to introduce three excellent varieties of beans species, trial propagation success, its good quality, early maturity and high yield. For the early market or crop stubble created the conditions for enriching people’s food basket. Introduction of three varieties of beans: First, very early green beans imported from Japan, is a high yield, precocious new bean varieties. Plant height of 50 to 70 cm, typical single plant knot more than 100, the general single plant knot angle of 50 to 70, per acre fresh beans 2000 ~ 2500 kg.