有机物料等氮量施用对紫色土氮形态及温室气体排放的影响

黄容,高明,黎嘉成,徐国鑫,王富华,李娇,陈仕奇

Effects of Combined Application of Various Organic Materials and Chemical Fertilizer on Soil Nitrogen Formation and Greenhouse Gas Emission Under Equal Nitrogen Rates from Purple Soil

Rong HUANG,Ming GAO,JiaCheng LI,GuoXin XU,FuHua WANG,Jiao LI,ShiQi CHEN

表2 不同处理下的温室气体平均排放通量和增温潜势变化

Table 2 Changes of mean greenhouse gas emission flux and GWP under different treatments

处理 Treatment 平均排放通量 Mean greenhouse gas emission flux (kg·hm-2) GWP (kg CO2-e·hm-2) N2O CO2 CH4 CK 3.7±0.1e 55537±2735c 2.0±0.21a 56578±2704d F 15.6±0.3d 56544±1803c 1.7±0.28b 60716±1901d SF 30.0±1.4c 63761±3623b -0.1±0.0d 71697±3989c MF 34.7±0.9b 76675±1720a -1.3±0.2e 85828±1957a BF 16.8±0.4d 75254±867a 0.4±0.0c 79709±883b CF 47.1±4.0a 73665±2603a 2.1±0.2a 86216±3679a