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Application of Portable Meter for Measuring Leaf Nitrogen and Chlorophyll Content in the Process of Leaf Autumn Senescence
Wang Wenjie;Li Xueying;Wang Huimei;Zu Yuangang;Koike Takayoshi
Scientia Silvae Sinicae . 2006, (6): 20 -25 .  DOI: 10.11707/j.1001-7488.20060604