Assessing the sweet sorghum-based ethanol potential on saline–alkali land with DSSAT model and LCA approach

Table 8 GHG emissions at sweet sorghum planting stage

Item	Input [40,41,42]	Carbon emission factor [31, 40,41,42]	GHG emissions (kg CO₂ eq/ha)^a
Nitrogen fertilizer	54 kg/ha	0.858 kg CO₂ eq /kg	46.33
Phosphate fertilizer	81 kg/ha	0.17 kg CO₂ eq /kg	13.77
Potassium fertilizer	67.5 kg/ha	0.12 kg CO₂ eq /kg	8.1
Herbicide	3.56 kg/ha	4.7 kg CO₂ eq /kg	16.73
Insecticide	0.75 kg/ha	4.93 kg CO₂ eq /kg	3.70
Diesel oil	67 L/ha	0.85 kg CO₂ eq /L	56.95
Summary			145.58

ISSN: 2731-3654