Federico Vega Sotelo
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Mot-clé
Zinc (2) Rate of return (2) Profit (2) Production (Economic theory) (2) Corn (2) Estudios (2) Cinc (2) Producción (2) Beneficios (2) Maíz (2) Rentabilidad (2) production (2) Winter (1) Uncertainty (1) Triticale (1) Trace elements in nutrition (1) Tillage (1) Quality of products (1) Proteins (1) Potassium (1) Population (1) Phosphorus (1) Nitrogen (1) Natural resources (1) Machinery (1) Law (1) Food (1) Fertilizers (1) Farmers (1) Evaluation (1)
Documents écrit par Federico Vega Sotelo (2) | parle de Federico Vega Sotelo (0)
