The layout of county area cultivated land quality monitoring samples in Huanghua City based on spatial clustering stratified sampling
Jiangyan YANG, Shouqiang YIN, Li ZHANG, Mingxin MEN, Ying CHEN
Resources Science ›› 2019, Vol. 41 ›› Issue (2) : 257-267.
The layout of county area cultivated land quality monitoring samples in Huanghua City based on spatial clustering stratified sampling
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