Sufficiency and Deficiency Indices of Soil Available Zinc for Rice in the Alluvial Soil of the Coastal Yellow Sea

WEI Yi-chang, BAI You-lu, JIN Ji-yun, YANG Li-ping, YAO Zheng, XU Si-xin, LUO Guo-an, SONG Wei, ZHU Chun-mei

RICE SCIENCE . 2007, (3): 223 -228 .