López-Jiménez, Alfredo. “Concentration and Accumulation of N, P and K in Red Raspberry (Rubus Idaeus L.) Cultivated for Two Harvests Per Year”. REVISTA TERRA LATINOAMERICANA 29, no. 2 (June 1, 2011): 143–151. Accessed January 9, 2025. https://mail.terralatinoamericana.org.mx/index.php/terra/article/view/1188.