Glycerin and potassium on soil microbial activity and nutrition and production of beet (Beta vulgaris) - Diaz-Medina, Alejandro.; de Mello-Prado, Renato.; Silva-Campos, Cid N.; Castellanos-Gonzales, leonides.; Cid-Rigobelo, Everlon; Súarez-Pérez, Calribel; Barbosa-da Silva-Júnior, Gabriel.