Carbon Footprint of Mediterranean Pasture-Based Native Beef: Effects of Agronomic Practices and Pasture Management under Different Climate Change Scenarios
作者： Giampiero Grossi , Andrea Vitali , Nicola Lacetera , Pier Paolo Danieli , Umberto Bernabucci
DOI: 10.3390/ANI10030415
关键词:
摘要: A better understanding of soil organic carbon (SOC) dynamics is needed when assessing the footprint (CFP) livestock products and effectiveness possible agriculture mitigation strategies. This study aimed (i) to perform a cradle-to-gate CFP pasture-based beef cattle in Mediterranean agropastoral system (ii) assess effects on alternative tillage, fertilizing, grazing practices under current (NCC) future climate change (CC) scenarios. Minimum (Mt) no-tillage (Nt) were compared tillage (Ct); 50% increase (Hf) decrease (Lf) fertilization was evaluated against (Cf) rate; rotational (Rg) versus continuous (Cg) system. The denitrification-decomposition (DNDC) model run using NCC as well representative concentration pathways investigate farm management coupled with CC scenarios SOC dynamics, N2O fluxes, crop yield. Within CtCf, an emission intensity 26.9 ± 0.7 kg CO2eq per live body weight estimated. Compared Ct, adoption Mt Nt reduced by 20% 35%, respectively, while NtHf it 40%. Conservation thus shown be effective mitigating greenhouse gas emissions.
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