The model is used in estimating runoff and erosion from a experimental plot on the loess slope, the results and problems encountered are analysed.
该文介绍了这一模型在计算黄土坡面径流量及侵蚀量中的应用，并分析了存在的问题。
They may take some time to satisfy themselves that the practice will do well, not only on an experimental plot, but also under their own particular circumstances.
他们可能需要一些时间来满足自己的做法就是要做得更好，不仅在试验田，而且在自己的特殊情况下。
The results are as follows. The physical and chemical soil characters ere improved in every experimental plot, and the crop yield was increased in varying degrees.
结果表明，各施肥区均不同程度地改善了土壤理化性状，提高了作物产量。
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。
Irrigation experimental study of 6 years had been carried out for 30 varieties of interplantation crop combination patterns in 15 sites and stations in Shanxi province by using field plot test.
在山西省15个试验站点，采用田间小区试验方法，对30种间作套种组合种植模式进行了历时6年的灌溉试验研究。
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。
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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