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本文对Ｄ－饱合设计法应用于大豆田化学除草剂混配最佳剂量的筛选进行了初步探索，并建立了拉索、丁草胺、广灭灵三种药剂用量与除草效果、杂草鲜重的数学模型，经Ｘ２与相关检验，模型的拟合度极好，具有推广价值。应用微机进行仿真模拟，获得了此三种除草剂混配应用于大豆田除草的最佳剂量为：（拉索８７．７－１２８．７ｍＬ＋丁草胺１０８．７～１３８．８ｍＬ＋广灭灵５０．１～６３．１ｍＬ）／６６７ｍ２。
In this paper, we first explored the optimum dosage of D-saturate design method for chemical compounding herbicide in soybean field, and established the dosage and herbicidal effect of three chemicals: Heavy mathematical model, by X2 and related tests, the model fitting excellent, with the promotion of value. The optimum dosage of the three kinds of herbicides for weeding in soybean field was obtained by using computer simulation. The optimum dosages were: (87.7-128.7 mL for pull cable + 108.7 ~ 138.8 mL for butachlor and + 85 for broadleaf. 1 to 63.1 mL) / 667 m2.