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运用双变量方差分析法对一定带宽下小麦、玉米所占比例、密度、化肥施用水平与复合群体经济产量的关系进行了系统研究，认为带田中小麦玉米的不同配置比例是决定其联合产量的首位因子，密度次之，化肥施用水平居三；小麦、玉米产量对带型结构变化的反应不同原因有三：①边仔优势对空带补偿作用的差异，②不同带型玉米前期受小麦带影响的差异；确定在该试验地条件下要使小麦玉米联合产量≥１５０００ｋｇ／ｈｍ￣２，必须使小麦播量、玉米种植密度分别不低于４５０万粒／ｈｍ￣２、６００００株／ｈｍ￣２，化肥施用水平纯Ｎ、Ｒ＿２Ｏ＿５分别高于３００ｋｇ／ｈｍ￣２、１５０ｋｇ／ｈｍ￣２，并且玉米占带宽的比例不得低于１／２。
Bivariate analysis of variance (ANOVA) was used to systematically study the relationship between the proportion of wheat and corn, the density, the level of chemical fertilizer application and the economic output of compound population under the certain bandwidth. It is concluded that the different proportion of wheat, Factor, followed by the density, the level of chemical fertilizer Habitat three; wheat, maize yield on the changes in the structure of the belt for three different reasons for different reasons: ① Aberdeen edge of the gap on the role of compensation for differences, ② different types of maize pre-affected by the wheat Differences; To determine the experimental conditions to make wheat and corn combined output ≥ 15000kg / hm ~ 2, the sowing of wheat must be made, corn planting density were not less than 4.5 million / hm ~ 2, 60000 / hm ~ 2, Fertilizer application level of pure N, R_2O_5 were higher than 300kg / hm ~ 2,150kg / hm ~ 2, and the proportion of corn in the bandwidth shall not be less than 1/2.