https://www.ahs.ac.cn/images/0513-353X/images/top-banner1.jpg|#|苹果
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https://www.ahs.ac.cn/images/0513-353X/images/top-banner3.jpg|#|菊花
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https://www.ahs.ac.cn/images/0513-353X/images/top-banner9.jpg|#|观赏荷花
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https://www.ahs.ac.cn/images/0513-353X/images/top-banner12.jpg|#|菊花
氮肥类型及施氮量对露地春菠菜产量和深层土壤硝态氮累积的影响
郭家选;潘东进;赵 帅;欧阳兆鹏;李玉中;
园艺学报 . 2011, (S): 2551 -2551 .