有机肥部分替代化肥对温室番茄土壤N<sub>2</sub>O排放的影响

有机肥部分替代化肥对温室番茄土壤N₂O排放的影响

奚雅静,刘东阳,汪俊玉,武雪萍,李晓秀,李银坤,王碧胜,张孟妮,宋霄君,黄绍文

Effect of Organic Partial Replacement of Inorganic Fertilizers on N₂O Emission in Greenhouse Soil

YaJing XI,DongYang LIU,JunYu WANG,XuePing WU,XiaoXiu LI,YinKun LI,BiSheng WANG,MengNi ZHANG,XiaoJun SONG,ShaoWen HUANG

表2 不同处理番茄产量及土壤N₂O排放总量、排放系数、排放强度

Table 2 Different treatments of tomato yield and soil N₂O emissions, emission factors, emission intensity

处理 Treatment	番茄产量 Tomato yield (t·hm^-2)	基肥阶段排放量 Base fertilizer stage emission (kg·hm^-2)	追肥阶段排放量 Topdressing fertilizer stage emission (kg·hm^-2)	排放总量 Total emission (kg·hm^-2)	排放系数 Emission factor (%)	排放强度 Emission intensity (kg·t^-1)
CK	29.03±1.33c	0.17±0.06c	0.48±0.02d	0.65±0.03d		0.02
CMN	36.54±1.28a	2.14±0.01b	1.91±0.03c	4.05±0.04c	0.5	0.11
CN	34.00±2.28ab	1.94±0.02b	5.43±0.04a	7.37±0.01a	1.0	0.22
MN	32.56±1.64b	3.56±0.02a	2.50±0.02b	6.06±0.01b	0.8	0.19