000904463 001__ 904463 000904463 005__ 20220131120427.0 000904463 0247_ $$2doi$$a10.1016/j.agee.2021.107353 000904463 0247_ $$2ISSN$$a0167-8809 000904463 0247_ $$2ISSN$$a1873-2305 000904463 0247_ $$2Handle$$a2128/29778 000904463 0247_ $$2WOS$$aWOS:000632877300006 000904463 037__ $$aFZJ-2021-06033 000904463 082__ $$a640 000904463 1001_ $$0P:(DE-HGF)0$$aNi, Bang$$b0 000904463 245__ $$aExponential relationship between N2O emission and fertilizer nitrogen input and mechanisms for improving fertilizer nitrogen efficiency under intensive plastic-shed vegetable production in China: A systematic analysis 000904463 260__ $$aAmsterdam [u.a.]$$bElsevier$$c2021 000904463 3367_ $$2DRIVER$$aarticle 000904463 3367_ $$2DataCite$$aOutput Types/Journal article 000904463 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1641280783_23886 000904463 3367_ $$2BibTeX$$aARTICLE 000904463 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000904463 3367_ $$00$$2EndNote$$aJournal Article 000904463 520__ $$aCurrently, China has approximately four million hectares of intensively cultivated plastic-shed vegetable production, i.e., with excessive nitrogen (N) fertilization and high irrigation. Plastic-shed vegetable production has helped meet the rapidly increasing consumer demand for fresh vegetables while improving heat, light, and land utilization efficiencies, resulting in very high vegetable yield. We collected all studies from the 1980s to 2020 on N2O emissions and N fertilization associated with plastic-shed vegetable production at 40 field sites in China. Fertilizer N utilization efficiencies and N2O emissions that were affected by fertilizer N rate and type, irrigation, growth duration, nitrification inhibitors, and soil properties were systematically examined. The results revealed that fertilizer N efficiencies in plastic-shed vegetable production significantly decreased with increasing N fertilization rate. The average N recovery efficiency (REN) and apparent N use efficiency (ANUE) were 6.8 % and 33 %, respectively; much lower than those of cereal crop production in the same region. In fruit and leafy vegetable production, N2O emissions exhibited an exponential and linear relationship with the fertilizer N rate, respectively, and the average contributions of fertilizer N to N2O emissions were 68 % and 70 %, respectively. Compared with synthetic N fertilizer or manure alone, combination of synthetic fertilizer with animal manure significantly increased the N2O emissions and emission factors (EFs) at high N fertilization rates (>800 kg N ha−1 season−1), but there were no significant differences among fertilizer types at N rate <800 kg N ha−1 season−1. Nitrification inhibitors reduced N2O emissions by 24.0 % (95 % confidence intervals [CI]: 19.2 %–28.9 %), and water-saving irrigation is the other effective measure to reduce emissions. Plastic-shed soils with neutral pH, high organic carbon content (> 30 g kg−1), growth period of >100 d, and higher irrigation increased the responses of N2O emission to N fertilization. As plastic-shed soils are continuously and intensively farmed, soil properties will be negatively affected, and should be considered together with fertilization and irrigation to maintain high vegetable yield and low N2O emissions. Our study highlighted that the exponential relationship was more appropriate to predict the N2O emissions in plastic-shed vegetable production, and our findings help to optimize fertilizer N input with consideration of crop yield and greenhouse gas emission. 000904463 536__ $$0G:(DE-HGF)POF4-2173$$a2173 - Agro-biogeosystems: controls, feedbacks and impact (POF4-217)$$cPOF4-217$$fPOF IV$$x0 000904463 588__ $$aDataset connected to CrossRef, Journals: juser.fz-juelich.de 000904463 7001_ $$0P:(DE-HGF)0$$aZhang, Wei$$b1 000904463 7001_ $$0P:(DE-HGF)0$$aXu, Xiuchun$$b2 000904463 7001_ $$0P:(DE-HGF)0$$aWang, Ligang$$b3 000904463 7001_ $$0P:(DE-Juel1)145865$$aBol, Roland$$b4 000904463 7001_ $$0P:(DE-HGF)0$$aWang, Kaiyong$$b5 000904463 7001_ $$0P:(DE-HGF)0$$aHu, Zhengjiang$$b6 000904463 7001_ $$0P:(DE-HGF)0$$aZhang, Haixia$$b7 000904463 7001_ $$0P:(DE-HGF)0$$aMeng, Fanqiao$$b8$$eCorresponding author 000904463 773__ $$0PERI:(DE-600)2013743-6$$a10.1016/j.agee.2021.107353$$gVol. 312, p. 107353 -$$p107353 -$$tAgriculture, ecosystems & environment$$v312$$x0167-8809$$y2021 000904463 8564_ $$uhttps://juser.fz-juelich.de/record/904463/files/Nibang%20N2O%20MS.pdf$$yPublished on 2021-02-22. 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