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Effects of different nitrogen forms on nutrient element contents in tomato seedlings
卢颖林 李庆余 徐新娟 朱毅勇 董彩霞 沈其荣
Chinese Agricultural Science Bulletin . 2010, (21): 122 -130 .  DOI: 10.11924/j.issn.1000-6850.2009-2645