
仪征市土壤养分时空变异特征及合理取样数量研究
孙永健, 周蓉蓉, 王长松, 孙园园
仪征市土壤养分时空变异特征及合理取样数量研究
Spatial-temporal Variation of Soil Nutrient and Rational Sampling Quantity in the Past 20 Years
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