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Social sciences (3) Matter (3) Ciencias sociales (3) Materia (3) matière (3) Quality of products (2) Production (Economic theory) (2) Microorganisms (2) Humus (2) Fungi (2) Bacteria (2) Suelo (2) Calidad (2) Humus (2) Producción (2) Bacterias (2) Microorganismos (2) Hongos (2) production (2) Labor (1) Biomass (1) Distributors (Commerce) (1) Origin (1) Tomatoes (1) Teleology (1) Sugarcane (1) Soils (1) Soil fertility (1) Rest (1) Respiration (1)