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Table 4 Indicators of sustainable agriculture in the current and a zero emission system

From: Energy efficiency in an integrated agro-ecosystem within an acidic soil area of the Mekong Delta, Vietnam

Indicatorsa Current farming system Zero emission system
RI 0.002 0.009*
ELI 125 80.3*
IYR 10* 12.8
ERYR 0.08 0.2*
STr 10* 13
NRYR 10* 13
  1. *Better
  2. aReference [25]
  3. For abbreviations see Table 1