Adalibieke W, Cui X, Cai H, You L, Zhou F. 2023. Global crop-specific nitrogen fertilization dataset in 1961–2020. Scientific Data, 10, 617.

Bai X, Zhang Z, Cui J, Liu Z, Chen Z, Zhou J. 2020. Strategies to mitigate nitrate leaching in vegetable production in China: A meta-analysis. Environmental Science and Pollution Research, 27, 18382-18391.

Breiman L. 2001. Random forests. Machine Learning, 45, 5-32.

Cao W D, Bao X G, Xu C X, Nie J, Gao Y J, Geng M J. 2017. Reviews and prospects on science and technology of green manure in China. Journal of Plant Nutrition and Fertilizers, 23, 1450-1461.

Cui Z, Zhang H, Chen X, Zhang C, Ma W, Huang C, Zhang W, Mi G, Miao Y, Li X, Gao Q, Yang J, Wang Z, Ye Y, Guo S, Lu J, Huang J, Lv S, Sun Y, Liu Y, et al. 2018. Pursuing sustainable productivity with millions of smallholder farmers. Nature, 555, 363-366.

Gao S, Xu P, Zhou F, Yang H, Zheng C, Cao W, Tao S, Piao S, Zhao Y, Ji X, Shang Z, Chen M. 2016. Quantifying nitrogen leaching response to fertilizer additions in China's cropland. Environmental Pollution, 211, 241-251.

Gu B, Ge Y, Chang S X, Luo W, Chang J. 2013. Nitrate in groundwater of China: Sources and driving forces. Global Environmental Change, 23, 1112-1121.

Huddell A M, Galford G L, Tully K L, Crowley C, Palm C A, Neill C, Hickman J E, Menge D N L. 2020. Meta‐analysis on the potential for increasing nitrogen losses from intensifying tropical agriculture. Global Change Biology, 26, 1668-1680.

IPCC (Intergovernmental Panel on Climate Change). 2019. 2019 Refinement to the 2006 Intergovernmental Panel on climate change guidelines for national greenhouse gas inventories. [2022-11-22]. https://www.ipcc.ch/report/2019-refinement-to-the-2006-ipcc-guidelines-for-national-greenhouse-gas-inventories/

van der Laan M, Annandale J G, Bristow K L, Stirzaker R J, Preez C C D, Thorburn P J. 2014. Modelling nitrogen leaching: Are we getting the right answer for the right reason? Agricultural Water Management, 133, 74-80.

Liu L, Xu W, Lu X, Zhong B, Guo Y, Lu X, Zhao Y, He W, Wang S, Zhang X, Liu X, Vitousek P. 2022. Exploring global changes in agricultural ammonia emissions and their contribution to nitrogen deposition since 1980. Proceedings of the National Academy of Sciences of the United States of America, 119, e2121998119.

Liu L, Zhang X, Xu W, Liu X, Li Y, Wei J, Wang Z, Lu X. 2020. Ammonia volatilization as the major nitrogen loss pathway in dryland agro-ecosystems. Environmental Pollution, 265, 114862.

Lu C, Tian H. 2017. Global nitrogen and phosphorus fertilizer use for agriculture production in the past half century: Shifted hot spots and nutrient imbalance. Earth System Science Data, 9, 181-192.

Matsui H. 2020. Quadratic regression for functional response models. Econometrics and Statistics, 13, 125-136.

Mcpherson J M, Jetz W, Rogers D J. 2006. Using coarse-grained occurrence data to predict species distributions at finer spatial resolutions—possibilities and limitations. Ecological Modelling, 192, 499-522.

Morim J, Hemer M, Wang X L, Cartwright N, Trenham C, Semedo A, Young I, Bricheno L, Camus P, Casas-Prat M. 2019. Robustness and uncertainties in global multivariate wind-wave climate projections. Nature Climate Change, 9, 711-718.

Müller M F, Penny G, Niles M T, Ricciardi V, Chiarelli D D, Davis K F, Dell Angelo J, D Odorico P, Rosa L, Rulli M C, Mueller N D. 2021. Impact of transnational land acquisitions on local food security and dietary diversity. Proceedings of the National Academy of Sciences of the United States of America, 118, e2020535118.

NBSC (National Bureau of Statistics of China). 2011. China Statistical Yearbook 2010. China Statistics Press, Beijing. (in Chinese)

NBSC (National Bureau of Statistics of China). 2015. China Statistical Yearbook 2014. Beijing: China Statistics Press, Beijing. (in Chinese)

Nouri A, Lukas S, Singh S, Singh S, Machado S. 2022. When do cover crops reduce nitrate leaching? A global meta‐analysis. Global Change Biology, 28, 4736-4749.

Qiu J, Li H, Wang L, Tang H, Li C, Van Ranst E. 2011. GIS-model based estimation of nitrogen leaching from croplands of China. Nutrient Cycling in Agroecosystems, 90, 243-252.

Quemada M, Baranski M, Nobel-De Lange M N J, Vallejo A, Cooper J M. 2013. Meta-analysis of strategies to control nitrate leaching in irrigated agricultural systems and their effects on crop yield. Agriculture, Ecosystems & Environment, 1741-1751.

Schulte-Uebbing L F, Beusen A H W, Bouwman A F, de Vries W. 2022. From planetary to regional boundaries for agricultural nitrogen pollution. Nature, 610, 507-512.

Steffen W, Richardson K, Rockstrom J, Cornell S E, Fetzer I, Bennett E M, Biggs R, Carpenter S R, de Vries W, de Wit C A, Folke C, Gerten D, Heinke J, Mace G M, Persson L M, Ramanathan V, Reyers B, Sorlin S. 2015. Planetary boundaries: Guiding human development on a changing planet. Science, 347, 1259855.

Tei F, De Neve S, de Haan J, Kristensen H L. 2020. Nitrogen management of vegetable crops. Agricultural Water Management, 240, 106316.

Tian H, Bian Z, Shi H, Qin X, Pan N, Lu C, Pan S, Tubiello F N, Chang J, Conchedda G, Liu J, Mueller N, Nishina K, Xu R, Yang J, You L, Zhang B. 2022. History of anthropogenic nitrogen inputs (HaNi) to the terrestrial biosphere: A 5 arcmin resolution annual dataset from 1860 to 2019. Earth System Science Data, 14, 4551-4568.

Tian X, Cong J, Wang H, Zheng H, Wang Z, Chu Y, Wang Y, Xue Y, Yin Y, Cui Z. 2023. Cropland nitrous oxide emissions exceed the emissions of RCP 2.6: A global spatial analysis. Science of the Total Environment, 858, 159738.

Tian X, Yin Y, Zhuang M, Cong J, Chu Y, He K, Zhang Q, Cui Z. 2022a. Bottom-up estimates of reactive nitrogen loss from Chinese wheat production in 2014. Scientific Data, 9, 233.

Tian X, Zhuang M, Yin Y, Cong J, Ying H, Wang Y, Cui Z. 2022b. Improved mapping of nitrogen loss and surplus in China's maize belt. Agronomy Journal, 114, 2811-2821.

Tribouillois H, Constantin J, Guillon B, Willaume M, Aubrion G, Fontaine A, Hauprich P, Kerveillant P, Laurent F, Therond O. 2020. AqYield-N: A simple model to predict nitrogen leaching from crop fields. Agricultural and Forest Meteorology, 284, 107890.

de Vries W, Kros J, Kroeze C, Seitzinger S P. 2013. Assessing planetary and regional nitrogen boundaries related to food security and adverse environmental impacts. Current Opinion in Environmental Sustainability, 5, 392-402.

Wang B, Feng P, Liu D L, O Leary G J, Macadam I, Waters C, Asseng S, Cowie A, Jiang T, Xiao D, Ruan H, He J, Yu Q. 2020. Sources of uncertainty for wheat yield projections under future climate are site-specific. Nature Food, 1, 720-728.

Wang Y, Ying H, Yin Y, Zheng H, Cui Z. 2019. Estimating soil nitrate leaching of nitrogen fertilizer from global meta-analysis. Science of the Total Environment, 657, 96-102.

Xu R, Tian H, Pan S, Prior S A, Feng Y, Dangal S R S. 2020. Global N₂O emissions from cropland driven by nitrogen addition and environmental factors: Comparison and uncertainty analysis. Global Biogeochemical Cycles, 34, e2020GB006698.

Ying H, Xue Y, Yan K, Wang Y, Yin Y, Liu Z, Zhang Q, Tian X, Li Z, Liu Y, Cui Z. 2020. Safeguarding food supply and groundwater safety for maize production in China. Environmental Science & Technology, 54, 9939-9948.

Yu C, Huang X, Chen H, Godfray H C J, Wright J S, Hall J W, Gong P, Ni S, Qiao S, Huang G, Xiao Y, Zhang J, Feng Z, Ju X, Ciais P, Stenseth N C, Hessen D O, Sun Z, Yu L, et al. 2019. Managing nitrogen to restore water quality in China. Nature, 567, 516-520.

Yu Z, Jin X, Miao L, Yang X. 2021. A historical reconstruction of cropland in China from 1900 to 2016. Earth System Science Data, 13, 3203-3218.

Yu Z, Liu J, Kattel G. 2022. Historical nitrogen fertilizer use in China from 1952 to 2018. Earth System Science Data, 14, 5179-5194.

Yu Z, Liu S, Li H, Liang J, Liu W, Piao S, Tian H, Zhou G, Lu C, You W, Sun P, Dong Y, Sitch S, Agathokleous E. 2024. Maximizing carbon sequestration potential in Chinese forests through optimal management. Nature Communications, 15, 3154.

Zhang H, Yang R, Guo S, Li Q. 2020. Modeling fertilization impacts on nitrate leaching and groundwater contamination with HYDRUS-1D and MT3DMS. Paddy and Water Environment, 18, 481-498. 

Zhang Q, Chu Y, Xue Y, Ying H, Chen X, Zhao Y, Ma W, Ma L, Zhang J, Yin Y, Cui Z. 2020. Outlook of China's agriculture transforming from smallholder operation to sustainable production. Global Food Security, 26, 100444.

Zhao H, Lakshmanan P, Wang X, Xiong H, Yang L, Liu B, Shi X, Chen X, Wang J, Zhang Y, Zhang F. 2022. Global reactive nitrogen loss in orchard systems: A review. Science of the Total Environment, 821, 153462.

Zhao X, Zhou Y, Min J, Wang S, Shi W, Xing G. 2012. Nitrogen runoff dominates water nitrogen pollution from rice-wheat rotation in the Taihu Lake region of China. Agriculture, Ecosystems & Environment, 156, 1-11. 

Zhou F, Shang Z, Ciais P, Tao S, Piao S, Raymond P, He C, Li B, Wang R, Wang X, Peng S, Zeng Z, Chen H, Ying N, Hou X, Xu P. 2014. A New high-resolution N₂O emission inventory for China in 2008. Environmental Science & Technology, 48, 8538-8547.

Zhu T. 2020. Analysis on the applicability of the random forest. Journal of Physics (Conference Series), 1607, 12123.