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STUDY ON SELECTION OF HIGH-NITROGEN-EFFICIENCY-GENOTYPES OF CHINESE FIR CLONES
Ma Xiangqing;Liu Aiqin;Huang Baolong;Cheng Youli
Scientia Silvae Sinicae . 2002, (6): 53 -57 .  DOI: 10.11707/j.1001-7488.20020610