The meta-frontier model technique is employed to compare the technical efficiency levels of improved and local maize seed variety farms in Ghana using a cross-sectional data from 214 farmers. The study shows that inefficiencies in maize production relate to exogenous variables considered even...

Global increasing application of nanomaterials and their natural formation from complex materials is considered a major concern. Glass contamination didn’t get attention until now regarding its micro and nano size. Therefore, there is an urgent need for research on possible glass particles...