Human nitrogen input experienced a distinct break or stabilization in the 1990s
the verdict
SUPPORTED
the evidence backs this
confidence 79/100
Evidence regarding human nitrogen inputs and agricultural emissions indicates a distinct inflection or transition point occurring during the 1990s, shifting from exponential growth to fluctuating or slower growth phases.
Evidence for · 2
Influence of long-term anthropogenic nitrogen input and its legacy on riverine output
2025 · cited by 3
Study on China's watershed nitrogen input notes a rapid growth phase up to the early 1990s followed by fluctuating growth starting around 1993.
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More for · 1
Recent stabilization of agricultural non-CO<sub>2</sub> greenhouse gas emissions in China.
2025 · cited by 2
Analysis of agricultural non-CO2 emissions in China explicitly identifies a transition from rapid growth through the late 1990s to a slow growth and stabilization stage thereafter.