稻麦复种模式下氮肥与稻秸互作对小麦产量和N<sub>2</sub>O排放影响及推荐施肥研究

稻麦复种模式下氮肥与稻秸互作对小麦产量和N₂O排放影响及推荐施肥研究

陆汝华, 王文轩, 曹强, 田永超, 朱艳, 曹卫星, 刘小军

Research on the effects of nitrogen fertilizer and rice straw return on wheat yield and N₂O emission and recommended fertilization under rice-wheat rotation pattern

LU Ru-Hua, WANG Wen-Xuan, CAO Qiang, TIAN Yong-Chao, ZHU Yan, CAO Wei-Xing, LIU Xiao-Jun

表3 不同目标下小麦施氮量和秸秆量投入及其净生态环境效益

Table 3 Nitrogen and straw inputs of wheat under different targets and their net ecological and environmental benefits

模型 Model	秸秆量 Straw rate (t hm^-2)	施氮量 N rate (kg hm^-2)	收益 Benefit (CHY)
Yield-max	0	212	12,816.00
	2.25	210	12,851.00
	4.50	208	13,453.00
	6.75	208	13,657.88
CEE-LINEAR	0	113	10,702.22
	2.25	116	10,934.81
	4.50	129	12,029.94
	6.75	130	12,255.24
CEE-EXPONENT	0	114	10,750.49
	2.25	117	10,981.24
	4.50	127	11,951.29
	6.75	127	12,135.69
NEEB-LINEAR	0	205	12,829.70
	2.25	203	12,863.29
	4.50	201	13,464.20
	6.75	202	13,669.00
NEEB-EXPONENT	0	205	12,830.40
	2.25	203	12,864.52
	4.50	201	13,464.99
	6.75	202	13,669.18