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How can we prevent waste materials (pig farming) flowed to the river / sea?​

Sagot :

Both traditional & advanced methods like composting, recycling, rendering, bio-diesel are in practiced. Vermi-compost improves soil aeration, texture,& water retention capacity of soil, & also promote better root growth & nutrient absorption. Cow urine and dung (panchagavya) is also of medicinal use.