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１９９７－１９９９年阜城县农业局进行了玉米窄行密植间作多行大豆立体种植试验示范，取得了（一）单产大幅度提高，（二）经济纯收入普遍大增；（三）为发展大豆生产创出了一条新的途径。据调查：这种种植模式产量一般可比平作玉米产量平均增产２２％以上，６６７ｍ２纯收入
From 1997 to 1999, the Bureau of Agriculture of Fucheng County carried out experiments and experiments on the multi-row soybean planting in narrow rows and close planting between maize. The results showed that: (1) the yield of maize was greatly increased; (2) the net income of the economy was greatly increased; (3) Production created a new way. According to the survey: The yield of this cropping pattern can generally increase more than 22% of the average output of corn, and the net income of 667m2