“…Thus, Guilan province was selected as the case study for this research. This province covers an area of 14,042 km 2 between the latitudes 36°43' and 38°27' N. and the longitudes 48°53' and 50°34' E. Guilan province has massive sources of biomass, and a high crop and livestock diversity (including, tea, olive, peanut, rice, cattle, sheep, and aquatic animal) (Kouchaki-Penchah et al, 2017: Firouzi et al, 2017: Janbakhsh et al, 2018Bakhshipour et al, 2020). Also, it is the second-largest rice-producing region in Iran (Shafieyan et al, 2017).…”