2.2) from agriculture, including activities arising from the wastewater farming and animals by wastewater from agriculture, farmers use fertilizer nitrogen is Musashi's Chennai phosphorus, potassium, and other toxic substances in high quantities. When the fertilizer down to the water to make the sauce, salt, tequila, rotsung, Chennai, if drinking is a disease, poisoning nitrate. Chennai city is already assembled rotcha nitrite on hemoglobin can cause hazard to life. In addition, in the present. Farmers use more pesticides Residual pesticides by plant and soil surfaces will be wash away with water and rain water flowing into. Waste water from animal parts like scraps and animal wastewater from stable settlement. It found impurities in the form of organic matter most of the time. When dropping down to the river and canals, it is causing epidemic.
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