Su kaynakları ve yönetimi 2 İçme suyu 2 Acidity 1 Alkalilik 1 Alkalinity 1 Asitlik 1 Azot 1 more ... Clay minerals 1 Drinking water 1 Erozyon 1 Fertilizers 1 Fosfor 1 Gübre 1 Hidroelektrik enerji 1 Hydroelectric energy 1 Irrigation and drainage 1 Irrigation systems 1 Kil minerali 1 Kireçleme 1 Kükürt 1 Liming 1 Milli parklar 1 National parks 1 Nature conservation and land resources 1 Nitrogen 1 Phosphorus 1 Potassium 1 Potasyum 1 Pricing of water 1 Soil erosion 1 less ...