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Effects of Controlled-release Fertilizer Application Rates on the Temporal and Spatial Distribution of Leaf Nitrogen Content of Dry Land Summer Maize
鲁欣欣 李凤涛 杨锦忠 王珍珍
Chinese Agricultural Science Bulletin . 2013, (33): 101 -106 .  DOI: 10.11924/j.issn.1000-6850.2012-4189