Cerdas Ramírez, R., Villalobos, E.V.V. and Rojas, J.C.V. 2021. Productivity of Cuba OM-22 grass (Pennisetum purpureum x Pennisetum glaucum) with different levels of nitrogen fertilizer. InterSedes. 22, 45 (Jul. 2021), 136–161. DOI:https://doi.org/10.15517/isucr.v22i45.47069.