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Guizhou Science
1003-6563
2000 Issue 3
zhi wu duo gong neng te xiao ying yang su dui nong zuo wu zeng chan xiao guo ji ji li yan jiu
yu su qin
..............
page:175-183
lao ying cha chong cha de hua xue cheng fen yan jiu
xu qian li
..............
page:191-195