基于主成分分析和聚类分析的山东省典型植烟区土壤养分综合评价 / Comprehensive Evaluation of Soil Nutrients in Typical Tobacco Planting Areas in Shandong Province Based on Principal Component Analysis and Cluster Analysis
- Resource Type
- Academic Journal
- Source
- 河北农业科学 / Journal of Hebei Agricultural Sciences. 27(1):66-72
- Subject
山东省 烟草土壤 主成分分析 聚类分析 养分综合评价 - Language
- Chinese
- ISSN
- 1008-1631