Journal Article 142M471B3J Carbon Dioxide N2O consumption N2O production Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Soil absorbed radiation agriculture bioclimatic variables denitrification diffuse radiation eddy covariance emission factors fertilizer global maps gross primary production leaf area index microclimate mineralization near-surface temperatures nitrification photosynthesis enhancement photosynthetic active radiation soil concentration soil organic matter soil temperature soil-dwelling organisms static chamber