मराठी
Tamil Nadu Board of Secondary EducationHSC Science Class 12

Revision: Environmental Issues Biology (Botany and Zoology) HSC Science Class 12 Tamil Nadu Board of Secondary Education

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Key Points

Key Points: Organic farming
  • Organic farming is an eco-friendly agricultural system that avoids chemical fertilizers and pesticides and maintains natural balance in farming.
  • It uses organic wastes, biofertilizers, animal manure, and microbes to supply nutrients and maintain soil fertility.
  • Crop rotation, biological pest control, and resistant local varieties are used to manage weeds and diseases naturally.
  • Organic farming promotes sustainable agriculture, soil health, biodiversity, and long-term productivity, ensuring safe food for humans and environment.
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