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Effects of different irrigation and fertilization practices on nitrogen leaching in facility vegetable production in northeastern China
Y. M. Chen, J. Y. Zhang, X. Xu, H. Y. Qu, M. Hou, K. Zhou, X. G. Jiao and Y. Y. Sui
2018
发表期刊Agricultural Water Management
卷号210页码:165-170
其他摘要Excessive nitrogen fertilizer and irrigation in facility vegetable production cause N leaching, which leads to a series of environmental problems. It is urgent to develop practical management strategies to reduce N leaching while maintaining or increasing yield and water use efficiency (WUE). In the present study, a greenhouse experiment was conducted in the mollisols of northeastern China, where eggplant was planted as the main vegetable. We aimed to evaluate the effects of different fertilization and irrigation practices on N leaching, eggplant yield and WUE. Four treatments were set: applying regular amounts of fertilizer and irrigation (WF), reducing chemical fertilizer application rates by 20% (W800/0F), reducing irrigation by 20% (80%WF) and adding biochar into the WF treatment (WF + B). The results showed that the WF + B treatment significantly decreased N leaching while increasing eggplant yield and WUE by 5.5% and 11%, respectively, in comparison with the results of the WF treatment. The amount of N leaching, eggplant yield and WUE in the W800/0F treatment were quite similar with those in the WF treatment. Compared with the WF treatment, the 80%WF treatment significantly decreased N leaching and increased WUE; however, it casued a sharp decrease in yield. Our results demonstrated that adding biochar may be a good practice for minimizing N leaching and increasing yield and WUE in facility vegetable production systems.
文献类型期刊论文
条目标识符http://ir.iga.ac.cn/handle/131322/9150
专题湿地生态系统管理学科组
推荐引用方式
GB/T 7714
Y. M. Chen, J. Y. Zhang, X. Xu, H. Y. Qu, M. Hou, K. Zhou, X. G. Jiao and Y. Y. Sui. Effects of different irrigation and fertilization practices on nitrogen leaching in facility vegetable production in northeastern China[J]. Agricultural Water Management,2018,210:165-170.
APA Y. M. Chen, J. Y. Zhang, X. Xu, H. Y. Qu, M. Hou, K. Zhou, X. G. Jiao and Y. Y. Sui.(2018).Effects of different irrigation and fertilization practices on nitrogen leaching in facility vegetable production in northeastern China.Agricultural Water Management,210,165-170.
MLA Y. M. Chen, J. Y. Zhang, X. Xu, H. Y. Qu, M. Hou, K. Zhou, X. G. Jiao and Y. Y. Sui."Effects of different irrigation and fertilization practices on nitrogen leaching in facility vegetable production in northeastern China".Agricultural Water Management 210(2018):165-170.
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