Study on the Soil Nutrients and Enzyme Activity of Cultivate Ginseng Soil in the Farmland and Wild Ginseng Soil under Forest by Canonical Correlation Analysis
SUN Hai, ZHANG Ya-yu, SONG Xiao-xia
ACTA AGRICULTURAE BOREALI-SINICA . 2010, (S2): 242 -248 .  DOI: 10.7668/hbnxb.2010.S2.053