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Shandong Agricultural Sciences
1001-4942
1997 Issue 4
gen xi fen bu yu zuo wu chan liang de guan xi yan jiu jin zhan
wang fa hong
..............
page:48-51
ping guo yuan zhi bei duo yang hua dui jin wen xi e ji sheng feng zi ran kong zhi zuo yong de ying xiang
yu yi
..............
page:23-25
