Open Access Research Paper Views (1483) Carbonized rice hull (CRH) silica extract efficiency for yield and nutrient uptake of cucumber Andrea F. Dawan, Gerald L. Seridon, Yvette D. Medrano Int. J. Biosci. 18(4), 216-220, April 2021. DOI: http://dx.doi.org/10.12692/ijb/18.4.216-220 Keywords: Carbonized rice hull (CRH), Cucumber, Silica extract, Silicon Details