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3 温室气体排放与温度、含水量相关分析

Table 3 Correlation analysis of greenhouse gas emission and temperature, moisture content

N2O排放量 N2O emission flux CO2排放量 CO2 emission flux CH4排放量 CH4 emission flux 5 cm土温 5 cm soil temperature 气温 Air temperature 土壤含水量 Soil moisture content N2O排放量 N2O emission flux 1 0.207** 0.148** 0.127* 0.121* 0.074 CO2排放量 CO2 emission flux 1 0.020 0.563** 0.609** -0.357** CH4排放量 CH4 emission flux 1 .075 0.066 0.111* 5 cm土温 5 cm soil temperature 1 0.975** -0.637** 气温 Air temperature 1 -0.629** 土壤含水量 Soil moisture content 1