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Table 2 Greenhouse gas index (GHGI) of the baseline and three alternative cropping scenarios

From: Carbon budgets of potential tropical perennial grass cropping scenarios for bioenergy feedstock production

  Sugarcane 100% Sugarcane 50% Napiergrassa 100% Napiergrassa 50%
Surface layer 0.06 0.11 − 0.10 − 0.23
Deep profile 0.06 0.11 − 0.27 − 0.77
  1. aFor napiergrass, GHGI were calculated from net C balances that included both surface layer and deep profile soil C accrual