Zinc (1) Winter (1) Uncertainty (1) Triticale (1) Tillage (1) Rate of return (1) Profit (1) Production (Economic theory) (1) Machinery (1) Fertilizers (1) Farmers (1) Desertification (1) Crop rotation (1) Costs, Industrial (1) Corn (1) Climatic changes (1) Agricultural conservation (1) Ability (1) Agricultura de conservación (1) Estudios (1) Incertidumbre (1) Agricultores (1) Cambios climáticos (1) Rotación de cultivos (1) Triticale (1) Reducción (1) Desertización (1) Cinc (1) Invierno (1) Fertilizantes (1)