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大豆营养价值很高,是粮、油、菜兼用作物。要获得大豆高产,除了选用良种,适时播种,合理密植,重施底肥、增施磷钾肥,加强田间管理,保证苗齐、苗壮,中耕除草和培土,防止倒伏,及时防治病虫危害之外,还要着重抓好以下三项技术措施: 一、接种根瘤菌大豆和其他豆类作物一样,可借根瘤菌从空气中吸收氮。大豆根瘤菌愈多,产量愈高,因此在栽培大豆的土壤中必须保证具有一定数量的活动能力强的根瘤菌。根据试验,用根瘤菌接种大豆可增产5—15％,荒地或多年不种大豆的土,接种根瘤菌是大豆丰产的有效措施。常年种过大豆的士,连年接种根瘤菌仍然可以增产。具体接种方法有以下几种: 1、用种过大豆的土壤压碎后均匀的撒入被接种
Soybean high nutritional value, is food, oil, vegetables and crops. To obtain high yield of soybean, in addition to the selection of elite, timely sowing, reasonable close planting, re-applied base fertilizer, increase phosphorus and potassium fertilizers, strengthen field management, to ensure Miao Qi, Miao Zhuang, weeding and soil training to prevent lodging, timely pest control , But also focus on the following three technical measures: First, the inoculation of rhizobia Soybeans and other legumes, as Rhizobium can absorb nitrogen from the air. Soybean Rhizobium more, the higher the yield, so the cultivation of soybean in the soil must ensure that a certain number of Rhizobium activity. According to the experiment, inoculation of soybean with Rhizobium can increase yield by 5-15%, wasteland or years of non-soybean soil, rhizobium inoculation is an effective measure for soybean yield. Perennial species of soy taxis, perennial inoculation rhizobia can still increase production. Specific methods of inoculation are the following: 1, after planting the soil crushed with soybeans evenly scattered inoculated