窄行密植是大豆增产的新途径。目前国内、外都在积极推广这一新的栽培方法,并获得较明显的增产效果。美国伊利诺斯州,全州已有三分之一的大豆面积进行窄行种植,并且正在迅速扩大。我国黑龙江省东部、北部各机械化国营农场和部分人民公社,也正在积极推广此法,有的已占大豆总面积的60％以上。 Narrow row close planting is a new way for soybean production. Currently at home and abroad are actively promoting this new cultivation methods, and access to more obvious yield increase. In Illinois, the United States, about one-third of soybeans in the state have been narrow-rowed and are rapidly expanding. The mechanized state-owned farms and some people’s communes in eastern and northern parts of China’s Heilongjiang Province are also actively promoting this law, and some have accounted for more than 60% of the total area of ​​soybean.