Valleys (1) Uncertainty (1) Time (1) Technology (1) Research (1) Profit (1) Machinery (1) Law (1) Interviews (1) Industrial productivity (1) Grazing (1) Fertility (1) Drills (Planting machinery) (1) Costs, Industrial (1) Attachment and garnishment (1) Agricultural systems (1) Agricultural conservation (1) Adoption (1) Valles (1) Sistemas agrícolas (1) Agricultura de conservación (1) Incertidumbre (1) Suelo (1) Factores (1) Reducción (1) Sembradoras (1) Estudio (1) Fertilidad (1) Entrevistas (1) Embargo (1)