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Effects of Different Nitrogen and Phosphorus Ratios on the Growth of Chinese Ash (Fraxinus chinensis) and Soil Properties
王清华 王文中 马丙尧 刘方春 杜振宇
Chinese Agricultural Science Bulletin . 2013, (16): 1 -6 .  DOI: 10.11924/j.issn.1000-6850.2013-0120