基于PCA方法以牧草营养成分评判青海省海南州天然草地类型质量初探

张东杰

Evaluation on Types and Quality of Natural Grassland in Hainan Prefecture of Qinghai Province Using Forage Nutrients by PCA Method

畜牧与饲料科学 . 2011, (4): 1 -1 . DOI: 10.12160/j.issn.1672-5190.2011.04.001