Liguori, Giorgia, Guglielmo Inglese, Fulvio Pernice, Giuseppe Sortino, and Paolo Inglese. “CO2 Uptake of Opuntia Ficus-Indica (L.) Mill. Whole Trees and Single Cladodes, in Relation to Plant Water Status and Cladode Age”. Italian Journal of Agronomy 8, no. 1 (February 22, 2013): e3. Accessed March 28, 2024. https://www.agronomy.it/agro/article/view/ija.2013.e3.