Carbon stocks in biomass and soils of woody species fodder banks in the dry tropics of Mexico

F. Casanova-Lugo, J. Petit-Aldana, F. Solorio-Sánchez, L. Ramírez-Avilés, S. E. Ward, G. Villanueva-López, D. R. Aryal

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© 2018 British Society of Soil Science Understanding carbon (C) dynamics of the silvopastoral systems can help mitigate greenhouse gas emissions. The aim of this study was to evaluate the C concentration and storage in above- and belowground tree biomass as well as in the soils of fodder banks of Leucaena leucocephala (Lam.) de Wit, Guazuma ulmifolia (Lam.) or a combination of the both species. The above- and belowground biomass was quantified by the destructive sampling. We also obtained samples from soil pits, 20-cm deep, and determined bulk density and organic carbon concentration. The mixed species banks produced more foliage dry matter (DM) (6.3 t DM/ha) than the pure fodder banks. The total living biomass stocks ranged from 31.5 to 33.5 t DM/ha and did not differ between fodder bank types. The tissue C concentration was greater in stems (45.1%) and roots (44.9%) compared to the foliage component (43.4%). Total soil carbon (TSC) in the 5–10 cm layer was greater in the fodder banks with legumes alone than in mixed species banks (35.7 vs. 30.8 t C/ha). TSC storage in the 15–20 cm layer was greater in the nonlegume fodder bank than in the legume fodder bank (39.8 vs. 34.5 t C/ha). However, to the 0–20 cm layer, TSC was similar for all fodder banks. Thus, the three types of fodder banks had similar total C storage in plant biomass and soil, but the production of foliage biomass was higher in the mixed species banks.
Original languageAmerican English
JournalSoil Use and Management
StatePublished - 1 Jan 2018
Externally publishedYes


Cite this

Casanova-Lugo, F., Petit-Aldana, J., Solorio-Sánchez, F., Ramírez-Avilés, L., Ward, S. E., Villanueva-López, G., & Aryal, D. R. (2018). Carbon stocks in biomass and soils of woody species fodder banks in the dry tropics of Mexico. Soil Use and Management.