Table 4 System I: case study based extra input parameters for s-cc (for biogas or mulched) with wheat as the main crop
From: Ecological evaluation of biogas from catch crops with Sustainable Process Index (SPI)
V0 without cc | V1 cc mulched | V2 cc biogas, ploughing | V3 cc biogas no ploughing | V4 cc biogas no ploughing, biomethane | |
|---|---|---|---|---|---|
Wheat tonne per hectare with 12% residual moisture | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 |
Cc (t DM/ha) | 0 | 2.5 | 4.5 | 4.5 | 4.5 |
Diesel consumption wheat (L/ha) | 71 | 71 | 71 | 36 | 36 |
Diesel consumption Cc (L/ha) | 0 | 6 | 60 | 42 | 42 |
Mineral N-fertiliser wheat (kg N/ha) | 150 | 120 | 100 | 100 | 100 |
N2-fixation summer catch crop | 0 | 30 | 50 | 50 | 50 |
Biogas digestate with 8% DM-content (t/ha) | 0 | 0 | 18 | 18 | 18 |
P-fertiliser SP (kg/ha) | 8.0 | 8.0 | 8.0 | 8.0 | 8.0 |
K- fertiliser SP (kg/ha) | 9.0 | 9.0 | 9.0 | 9.0 | 9.0 |
Ca-fertiliser SP (kg/ha) | 31.3 | 31.3 | 31.3 | 31.3 | 31.3 |
Herbicide MCPA SP (kg/ha) | 0.14 | 0.14 | 0.14 | 0.14 | 0.14 |
Herbicide Mecoprop-P SP (kg/ha) | 0.11 | 0.11 | 0.11 | 0.11 | 0.11 |
Fungicide Tebuconazole SP (kg/ha) | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
Fungicide Tebuconazole SP (kg/ha) | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 |
Molluscicide Methiocarb SP (kg/ha) | 0.01 | 0.01 | 0.01 | 0.01 | 0.01 |
NO3-emissions (kg/ha) | 34 | 32 | 25 | 25 | 25 |
N2O emissions (kg/ha) | 4.3 | 5.3 | 4.6 | 4.6 | 4.6 |
Erosion (t/ha) | 1.3 | 1 | 1 | 0.4 | 0.4 |
Humus (kg C/ha) | 64 | 236 | 369 | 369 | 369 |
Other basic parameters | Additional data and information about material and technology use: http://spionweb.tugraz.at/ | ||||