7440-44-0 1 Air Pollutants 1 Carbon 1 C : N ratio 1 Fertilizers 1 Journal Article 1 K50XQU1029 1 mehr ... Meta-Analysis 1 N762921K75 1 Nitrogen 1 Nitrous Oxide 1 Research Support, Non-U.S. Gov't 1 Research Support, U.S. Gov't, Non-P.H.S. 1 Soil 1 arable soil crop residue 1 meta-analysis 1 nitrous oxide 1 soil CO2 respiration 1 soil pH 1 soil texture 1 water-filled pore space 1 weniger ...