在您的搜尋 主題建議
在您的搜尋 主題建議
sampling techniques
Agricultural research - statistics
3
field experiments
3
Agriculture - quantitative analysis
1
Agriculture research-statistics
1
Agriculture statistics
1
Sample surveys-design
1
Statistical science - agriculture
1
collection of data
1
factorial design
1
field experments
1
probability
1
research methodology
1
soil analysis
1
survey-design
1
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1
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2
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3
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4
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5
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6
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7
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8
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9