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Table 5 Average methane yield of cocksfoot grass and standard deviation

From: The effect of digestate and mineral fertilisation of cocksfoot grass on greenhouse gas emissions in a cocksfoot-based biogas production system

Fertiliser typeMineral N fertiliserDigestate
N application rate (kg ha−1 year−1)018036090180270360450
ScenarioSC1SC2SC3SC4SC5SC6SC7SC8
Methane yield (l kg−1 DM)317.4 e ± 10.8378.5 b ± 8.3395.3 a ± 8.5381.9 b ± 8.9352.4 c ± 10.2345.1 cd ± 4.1342.8 cd ± 7.9336.4 d ± 5.3
  1. DM dry matter