基于能值改进模型的红米与烤烟作物系统可持续性评价——以贵州省盘州市为例

孙凯, 梁龙, 李仲佰

Sustainability Evaluation of the Red Rice and Flue-Cured Tobacco Crop System Based on the Improved Emergy Model——A Case Study of Panzhou City, Guizhou Province

Sun Kai, Liang Long, Li Zhongbai

表2 各投入要素的温室气体排放系数

Table 2 Greenhouse gas emission coefficients for each inputs

项目Item 碳排放系数 Emission coefficient 参考文献 Reference 劳动力Human labor (d) 0.86 [32] 柴油Diesel fuel (L) 3.75 [33] 氮肥Nitrogen fertilizer (kg) 7.76 [34] 磷肥Phosphorus fertilizer (kg) 2.33 [34] 钾肥Potassium fertilizer (kg) 0.66 [34] 有机肥Organic fertilizer (kg) 0.23 [35] 农膜Plastic film (kg) 0.10 [35] 农药Pesticide (kg) 18.00 [36]