Water And Soil
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The document discusses various topics related to soil pollution and degradation: 1. Soil pollution can be caused by industrial waste, pesticides, fertilizers, and other chemicals which disrupt soil quality and food chains. 2. Soil degradation is the lowering of soil quality due to issues like acidification, contamination, erosion, dryness, and salinization from excess irrigation. This degradation reduces crop production. 3. Salinization occurs when irrigation water evaporates, leaving salt accumulated in the soil which makes the soil unsuitable for plant growth.
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Water And Soil
- 1. Water and Soil E7 + E12
- 8. Organic Soil Pollutants Organic Soil Pollutants Source Hydro Carbons Transport, solvents VOCS, SVOCS (semi/volatile organic compounds) Transport, solvents Agrichemicals Pesticides, fungicides, herbicides Polyaromatic hydrocarbons Incomplete combustion Polychlorinated biphenyls (PCBs) Fridges, capacitors, transformers Organotin compounds Bactericides, fungicides