摘要
使用抽样法估计单产的准确性 ,很大程度上取决于样本块的质量。样本块的抽选方式、样本块的面积。
The accuracy of estimating per unit area yield mainly depends on the representative quality of the sample plot. Therefore, the sampling method, area and crops treatment of the sample plot are the keys of determining the sample plot quality.
出处
《贵州农业科学》
CAS
2004年第5期88-90,共3页
Guizhou Agricultural Sciences
关键词
农作物
样本块
抽样法
单产调查
per unit area yield
investigation
sampling method
sample plot
