Dairy farming Dairy cattle management 4 Milk production 2 Air pollutants 1 Air pollution 1 Air quality 1 Aquatic Biology and Ecology 1 Aquatic environment 1 Beef cattle 1 Cattle 1 Cycling 1 Dairy cattle 1 Dairy cattle-Feeding and feeds 1 Dairying 1 Dairying - British 1 Emission 1 Environmental impact 1 Grasslands 1 Grasslands and Rangelands 1 Grazing 1 Greenhouse gases 1 Irrigation 1 Meteorology and Climate 1 Milk 1 Milk Production 1 Nitrogen cycle 1 Pastures 1 Phosphorus 1 Polluted soils 1 Polluted water 1