生产实践表明棉田套种绿豆技术是实施棉田多熟种植,提高棉田经济效益的一项行之有效的生产技术,深受棉农欢迎。现将棉田套种绿豆关键技术介绍如下供棉农参考。 一、规格播种。棉田套种绿豆以棉为主,绿豆捎带,因此绿豆在田间有一个群体适度问题。几年来实践表明,棉花以大小行种植,大行90cm,小行40cm,在大行中套种绿豆,亩留3000—5000株为宜,在播种时间上以先播绿豆后再播种棉花为宜,一般绿豆可比棉花早播3—5天,这样可缩短共生期。 二、选用早熟高产绿豆品种。目前种植较多的有二个品种。一是高阳小绿豆,群众称“火绿 Production practice shows that intercropped mung bean technology in cotton field is an effective production technology that implements multi-cropping of cotton fields and improves the economic benefits of cotton fields, and is welcomed by cotton farmers. The cotton seedling mung bean now introduce the following key technologies for cotton farmers reference. First, the specifications of sowing. Cotton interplanted mung bean mainly cotton, green beans piggyback, so mung bean in the field there is a group of moderate problems. Practice shows that over the past few years, the size of the line to plant cotton, Dahon 90cm, small 40cm, intercropped mung bean in a large line, acres stay 3000-5000 appropriate, sowing time in order to sow mung beans before sowing cotton is appropriate, General mung beans 3-5 days earlier than cotton, so as to shorten the symbiotic period. Second, the selection of early maturity and high yield mung bean varieties. There are two varieties currently planted more. First, Yang green beans, the masses said "fire green