Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 35 checked references that resolve
resolves10.1073/pnas.96.11.5995Global environmental impacts of agricultural expansion: The need for sustainable and efficient practices
resolves10.1038/ngeo325How a century of ammonia synthesis changed the world
resolves10.1029/2000GB001389Estimation of global NH<sub>3</sub>volatilization loss from synthetic fertilizers and animal manure applied to arable lands and grasslands
resolves10.1007/s11027-010-9212-7Nitrogen fertilizer management for nitrous oxide (N2O) mitigation in intensive corn (Maize) production: an emissions reduction protocol for US Midwest agriculture
resolves10.1016/j.agee.2009.04.021Review of greenhouse gas emissions from crop production systems and fertilizer management effects
resolves10.1021/es800630dEffects of Nitrogen Fertilizer Application on Greenhouse Gas Emissions and Economics of Corn Production
resolves10.1073/pnas.0813417106Reducing environmental risk by improving N management in intensive Chinese agricultural systems
resolves10.1007/s13280-010-0076-6Current Nitrogen Management Status and Measures to Improve the Intensive Wheat–Maize System in China
resolves10.1016/j.fcr.2009.12.004In-season nitrogen management strategy for winter wheat: Maximizing yields, minimizing environmental impact in an over-fertilization context
resolves10.1002/jpln.19931560503Measurement of ammonia emissions after liquid manure application: I. Construction of a windtunnel system for measurements under field conditions
resolves10.1007/s11625-011-0144-2Ecologically optimal nitrogen application rates for rice cropping in the Taihu Lake region of China
resolves10.1016/j.agee.2012.02.021Linear and nonlinear dependency of direct nitrous oxide emissions on fertilizer nitrogen input: A meta-analysis
resolves10.1016/j.envpol.2010.10.040Processes and factors controlling N2O production in an intensively managed low carbon calcareous soil under sub-humid monsoon conditions
The 9 references without a DOI — listed, not checked
no DOI — not checkedFAO, (2012. FAOSTAT-Agriculture Database. Available athttp://faostat.fao.org/site/339/default.aspx(accessed May 15, 2013).
no DOI — not checkedSmith, P.; Martino, D.; Cai, Z.; Gwary, D.; Janzen, H.; Kumar, P.; McCarl, B.; Ogle, S.; Mara, F. O.; Rice, C.; Scholes, B.; Sirotenko, O.Agriculture. InClimate Change 2007: Mitigation. Contribution of Working Group III to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change,Metz, B.; Davidson, O. R.; Bosch, P. R.; Dave, R.; Meyer, L. A. ̂Eds.Cambridge University Press:Cambridge, United Kingdom and New York, NY, USA, 2007.
no DOI — not checkedFertilizer Best Management Practices. General Principles, Strategy for their Adoption and Voluntary Initiatives vs Regulations
no DOI — not checkedref24/cit24
no DOI — not checkedGaseous Loss of Nitrogen from Plant-Soil Systems
no DOI — not checkedTrees, Crops and Soil fertility - Concepts and Research methods
no DOI — not checkedref29/cit29
no DOI — not checkedIPCC, Agriculture, forestry and other land use. In2006 IPCC Guidelines for National Greenhouse Gas Inventories, Prepared by the National Greenhouse Gas Inventories Programme,Eggelston, S.; Buendia, L.; Miwa, K.; Ngara, T.; Tanabe, K. ̂Eds.IGES:Japan: 2006; p54.
no DOI — not checkedForster, P.; Ramaswamy, V.; Artaxo, P.; Berntsen, T.; Betts, R.; Fahey, D. W.; Haywood, J.; Lean, J.; Lowe, D. C.; Myhre, G.; Nganga, J.; Prinn, R.; Raga, G.; Schulz, M.; Van Dorland, R.Changes in atmospheric constituents and in radiative forcing. InClimate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change,Solomon, S.; Qin, D.; Manning, M.; Chen, Z.; Marquis, M.; Averyt, K. B.; Tignor, M.; Miller, H. L. ̂Eds.Cambridge University Press:Cambridge, United Kingdom and New York, NY, USA, 2007.
checked 2026-07-23 — re-checked daily as this page is visited;
titles and statuses come from Crossref and DataCite and are not part of the signed record
Both snippets point at the live badge image and link back to this page. The
badge re-renders from the daily check, so an embed never goes stale by more than a day of visits.