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- B23J-1887: A Harmonized, High-Resolution Global Dataset of Crop-Specific Nitrogen Inputs from Synthetic Fertilizer and Manure (1961–2023)
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Board 1887‚ Hall EFG (Poster Hall)NOLA CC
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Wensu Hao, Boston College, Schiller Institute for Integrated Science and Society, Department of Earth and Environmental Sciences (First Author, Presenting Author)
Hanqin Tian, Boston College, Schiller Institute for Integrated Science and Society, Department of Earth and Environmental Sciences
Hao Shi, Auburn University
Naiqing Pan, Boston College
Xing Yu, Boston College
Shufen Pan, Auburn University
Francesco Tubiello, Food and Agriculture Organization of the United Nations
Feng Zhou, Peking University, China
Farmers use nitrogen—found in fertilizers and animal manure—to help crops grow and produce the food we all rely on. But using too much nitrogen can cause serious problems, like polluting rivers and lakes, releasing harmful greenhouse gases, and damaging the health of our soil and ecosystems. To help track and manage this, we created a new global dataset that shows how much nitrogen was used on different crops in every part of the world from 1961 to 2023. This includes 21 major types of crops and distinguishes between chemical fertilizers and natural sources like manure. Our data show that nitrogen use has increased dramatically over the past 60 years, especially on staple crops like wheat, corn, and rice. By providing more detailed and accurate information, this dataset will help scientists and policymakers make smarter decisions to protect the environment and support sustainable farming for the future.
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