Abstract
Yunji township of Jiangyou city is the particular characters of drought, poverty. The party committee and government try to find a getting wealth road with industry development goal "thousands acres of walnuts". The main contributions of this paper are: 1) Proposing improved PCA model to eliminate dimensional inconsistency and the difference of magnitude. 2) Adopting improved PCA model to analysis five fine walnut characters, and comparison with traditional PCA. 3) Getting the conclusion that Xiangling walnut is the most suitable for Yunji township cultivate.
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