The effects of planting density and fertilizer level on the high-oil soybean quality traits were studied by the means of using a split plot experiment with two factors.
采用二因素裂区试验研究了不同种植密度和施肥水平对高油大豆品质性状的影响。
Methods a case was used to illustrate the identification and discrimination of experimental units and factor levels in Split-split plot design, which is the base of correct selection of ANOVA model.
方法结合实例介绍裂-裂区设计中实验单位、实验因素级别的正确识别和合理安排，以便正确选择方差分析模型。
A split -plot experimental design was used with differing soil types in the main plots and differing rod shapes, travel speeds, rod speeds and tillage depths in the sub -plot.
本试验采用了裂区实验设计；土壤类型为主区，除草器的形状，转速、前进速度及耕深在小区内。
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