基于农户调查的长江流域双季稻生产碳、氮足迹分析——以江西和湖南为例

陈中督, 徐春春, 纪龙, 方福平

Carbon and Nitrogen Footprints of Double Rice Production in Yangtze River Based on Farm Survey Data——A Case Study of Jiangxi and Hunan

Chen Zhongdu, Xu Chunchun, Ji Long, Fang Fuping

表3 长江流域水稻不同种植规模碳足迹和氮足迹

Table 3 Carbon and nitrogen footprints of double rice at different cropping scopes in middle and lower reaches of the Yangtze River

项目 Item 种植规模Cropping scope 种粮大户 Large-scale grain planter (23) 家庭农场 Family farm (13) 一般农户 General farmer (40) 碳足迹Carbon footprint (kgCO2-eq/kg) 0.53±0.03c 0.62±0.05b 0.80±0.10a 氮足迹Nitrogen footprint (gN-eq/kg) 6.73±1.53c 9.67±1.11b 12.04±1.13a