TY - CHINESE JOURNAL OF OIL CROP SCIENCES A1 - T1 - Y1 - 2012-04-28 00:00:00.0 JF - CHINESE JOURNAL OF OIL CROP SCIENCES JO - CHINESE JOURNAL OF OIL CROP SCIENCES SP - 225 EP - 231 VL - 34 IS - 2 UR - {http://www.jouroilcrops.cn/EN/Y2012/V34/I2/225} N1 - ER -