Mean N<sub>2</sub>O and CO<sub>2</sub> fluxes by season.
<p>The average growing season, spring-fall, and winter N<sub>2</sub>O and CO<sub>2</sub> soil-to-atmosphere fluxes and standard errors under different fertilization treatments. Values designated with the same letter within each season are not different. <i>P>0.05.</i> n = 3. NPK synthetic fertilizer applied only; NPKOM synthetic fertilizer and manure applied.</p><p>Mean N<sub>2</sub>O and CO<sub>2</sub> fluxes by season.</p
Ecology, Biological Sciences, Cumulative CO 2 emissions, N 2O, NPKOM, npk, CO 2 Emissions Agricultural soils, winter CO 2, N 2O emissions, contribution, winter N 2O efflux, wintertime N 2O, composted pig manure, soil N 2O fluxes, CO 2 fluxes, Northeast China, soil N 2O
DOI identifier: 10.1371/journal.pone.0115761.t004
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