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环渤海湾地区主要梨园树体矿质营养元素状况研究
宋晓晖;谢 凯;赵化兵;李艳丽;徐阳春;董彩霞
Investigation of the Mineral Nutrients Status of Pear Leaves in Main Orchards Around the Bohai Bay Region
SONG Xiao-hui;XIE Kai;ZHAO Hua-bing;LI Yan-li;XU Yang-chun;and DONG Cai-xia
园艺学报 . 2011, (11): 2049 -2058 .