Table 2 Global warming potential (mg­CO2-eq·kg− 1) in different agroforestry system soils.

From: Rubber intercropping with arboreal and herbaceous species alleviated the global warming potential through the reduction of soil greenhouse gas emissions

Treatments

(0–10 cm)

(10–20 cm)

Total (0–20 cm)

AOM

1638.02 B (− 7.99%)

356.15 C (+ 0.32%)

1994.17 BC (− 6.61%)

AKH

1081.28 C (− 39.26%)

520.98 AB (+ 46.76%)

1602.26 D (− 24.96%)

CAA

2399.31 A (+ 34.77%)

521.47 AB (+ 46.9%)

2920.78 A (+ 36.78%)

TCA

1298.3 C (− 27.08%)

533.04 A (+ 50.15%)

1831.34 CD (− 14.24%)

CCA

1772.58 B (− 0.43%)

516.12 AB (+ 45.39%)

2288.69 B (+ 7.18%)

PAR

805.9 D (− 54.73%)

453.81 B (+ 27.84%)

1259.72 E (− 41.01%)

RM

1780.32 B

355 C

2135.32 B

  1. Characterization factor for a 100-year time frame is 265, 28, and 1 for N2O, CH4, and CO2, respectively (IPCC, 2014). Values in parentheses represent the percent increase (+) or decrease (−) compared to RM. The abbreviations used are as follows: AOM for Hevea brasiliensis-Alpinia oxyphylla Miq, AKH for Hevea brasiliensis-Alpinia katsumadai Hayata, CAA for Hevea brasiliensis-Coffea arabica, TCA for Hevea brasiliensis-Theobroma cacao, CCA for Hevea brasiliensis-Cinnamomum cassia (L.) D. Don., PAR for Hevea brasiliensis-Pandanus amaryllifolius Roxb, and RM for rubber monoculture.
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