22.1 - Introduction22.2 - Environmental Impacts22.2.1 - Air pollution22.2.2 - Water pollution22.2.3 - Soil22.2.4 - Landscape, habitats and biodiversity22.3 - The Evolution of Agricultural Production in Europe22.3.1 - Agricultural production and employment22.3.2 - Crop yields22.4 - Agricultural Practices22.4.1 - Specialisation and concentration of crops and livestock22.4.2 - Fertilizer use22.4.3 - Pesticide use22.4.4 - Drainage, irrigation and water abstraction22.4.5 - Mechanisation and physical practices (tillage and ploughing)22.5 - Agricultural Policies22.6 - Conclusions