中国科学院机构知识库网格系统: 检索

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	Nitrogen pollution and sources in an aquatic system at an agricultural coastal area of Eastern China based on a dual-isotope approach 期刊论文 OAI收割 ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2019, 卷号: 26, 期号: 23, 页码: 23807-23823 作者: Li, Yanqiang; Yan, Weijin; Wang, Fang; Lv, Shucong; Li, Qingqian \| 收藏 \| 浏览/下载：84/0 \| 提交时间：2019/09/24 Nitrogen pollution Dual isotopes Cropping systems Intensive agricultural activities Aquatic systems Jiaozhou Bay
	Nitrogen pollution and sources in an aquatic system at an agricultural coastal area of Eastern China based on a dual-isotope approach 期刊论文 OAI收割 ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2019, 卷号: 26, 期号: 23, 页码: 23807-23823 作者: Li, Yanqiang; Yan, Weijin; Wang, Fang; Lv, Shucong; Li, Qingqian \| 收藏 \| 浏览/下载：15/0 \| 提交时间：2019/09/24 Nitrogen pollution Dual isotopes Cropping systems Intensive agricultural activities Aquatic systems Jiaozhou Bay
	Nitrogen pollution and sources in an aquatic system at an agricultural coastal area of Eastern China based on a dual-isotope approach 期刊论文 OAI收割 ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH, 2019, 卷号: 26, 期号: 23, 页码: 23807-23823 作者: Li, Yanqiang; Yan, Weijin; Wang, Fang; Lv, Shucong; Li, Qingqian \| 收藏 \| 浏览/下载：25/0 \| 提交时间：2019/09/24 Nitrogen pollution Dual isotopes Cropping systems Intensive agricultural activities Aquatic systems Jiaozhou Bay
	Farmers' perception of sustainability for crop production on the North China plain 期刊论文 iSwitch采集 JOURNAL OF SUSTAINABLE AGRICULTURE, 2007, 卷号: 30, 期号: 3, 页码: 129-147 作者: Wei, Y. P.; White, R. E.; Chen, D.; Davidson, B. A.; Zhang, J. B. 收藏 \| 浏览/下载：28/0 \| 提交时间：2019/10/10 sustainability indicator intensive cropping farmer perceptions irrigation and fertilizer practices North China plain