Cuba (2) Research (2) Microorganisms (2) Leaves (2) Injections (2) Industrial productivity (2) Inyecciones (2) Hojas (2) Productividad (2) Investigación (2) Microorganismos (2) productivité (2) Common bean (1) Labor (1) Minerals (1) Sowing (1) Reason (1) Production (Economic theory) (1) Plants (1) Martyrs (1) Legumes (1) Flowers (1) Fertilizers (1) Cucumis (1) Cucumbers (1) Chance (1) Biological products (1) Mártires (1) Judía común (1) Cucumis (1)