Labor (1) Production (Economic theory) (1) Pollution (1) Pictures (1) Pesticides (1) No-tillage (1) Mountains (1) Methodology (1) Meadows (1) Geography (1) Fortification (1) Detectors (1) Agriculture (1) Riesgo ambiental (1) Prados (1) Imágenes (1) Detectores (1) Pesticidas (1) Producción (1) Montañas (1) Metodología (1) Contaminación (1) Trabajo (1) Labranza cero (1) Geografía (1) Fortificaciones (1) Agricultura (1) production (1) classification (1)