Table 1: Comparative studies on carbon sink value of different agroforestry systems in developed and developing countries of the world.
Agroforestry models in developing countries | Soil carbon sink value (US ton/ha) | Reported authors |
Central Indian sub-continent comprised Gmelina tree based Agri-silviculture models | 30.20 | Swamy and Puri [27] |
Homegarden based agroforestry system in the Panama city, U.S.A. | 49.60 to2.50 | Kirby and Potvin [28] |
Homegarden based agroforestry system in the African continent | 220.5 | Nair [29] |
Silvopastoral model in African continent | 1.65-3.85 | |
Poplar (Populus deltoides) and Soybean + maize + wheat based hedgerow intercropping system in Canada | 1.38 | Oelbermann, et al. [30] |
Silvopastoral model having combination of Pinus elliottii and Paspalum notatum (common grass species) in the region of U.S.A. | 7.60 to 26.7 | Haile, et al. [31] |
Mixed tree stands of Eucalyptus + Casuarina equisetifolia in the region of Puerto Rico situated in U.S.A. | 68.23 | Parrotta [32] |
Mixed tree stands of Leucaena leucocephala (Subabul) + Casuarina equisetifolia in the region of Puerto Rico situated in U.S.A. | 62.39 | |
Mixed tree stands of Leucaena leucocephala (Subabul) + Eucalyptus in the region of Puerto Rico situated in U.S.A. | 68.01 | |
Cork oak (Quercus suber) based Silvopastoral model in the region of Spain | 29.21 to 55.3 | Howlett [33] |
Betula pendula based Silvopastoral model in the region of Spain | 146.6 to 165.3 | Howlett, et al. [34] |
Eucalyptus + Brachiaria (grass species) based Silvopastoral model in Brazil | 389.1 | Tonucci, et al. [35] |
Varying Silvopastoral models in the region of U.S.A | 564.4 | Haile, et al. [36] |
Populus deltoids (Poplar tree) based Alley-cropping system distributed in the Canada | 62.83 | Bambrick, et al. [37] |
Populus deltoids based Agri-silviculture model in the region of Punjab, India | 10.4 | Chauhan, et al.[38] |
Leucaena leucocephala (Subabul) based Agri-silviculture model in the region of Andhra Pradseh, India | 3.05 | Rao, et al. [39] |
Acacia nilotica (babul) based Silvopastoral model in the region of Haryana of Indian sub-continent. | 3.09 | Kaur, et al. [40] |
Homegardens of Kerala in India | 1.76 | Saha, et al.[41] |
Casuarina equisetifolia based Agri-silviculture model in Tamilnadu of Indian subcontinent | 1.73 | Viswanath, et al. [42] |
Brachiaria brizantha + Guazuma ulmifolia + Cordia alliodora based Silvopastoral model in the region of Costa Rica | 145.5 | Amezquita, et al. [43] |
Acacia mangium + Arachis pintoi (fodder species) based Silvopastoral model in Costa Rica | 190.7 | |
Populus deltoids (poplar tree) + Hordeum vulgare (barley) based Agri-silviculture model in the region of Canada | 86.5 | Peichl, et al. [44] |
Douglas fir (Pseudotsuga menziesii) + Trifolium subterraneum based Agri-silviculture model in the region of USA | 105.8 | Sharrow and Ismail [45] |
Leucaena leucocephala (N2 fixing leguminous tree) based Alley-cropping system in the African continent | 14.9 | Lal [46] |
The practices of fodder/protein bank system comprising the combination of Pterocarpus marsupium + Gliricidia sepium species in the region Mali |
36.81 | Takimoto, et al. [47] |
Gliricidia trees + Zea mays based Agri-silviculture model in Malawi | 135.6 | Makumba, et al. [48] |