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Welcome to eGyanKosh, your premier platform for accessing educational resources and study materials for distance learning. In this section, we are excited to present the study material for Unit-3: जैवउर्वरक (Biological Fertilizers) from the IGNOU curriculum for 2025. This comprehensive material is designed to enhance your understanding of biological fertilizers, their applications, and their significance in sustainable agriculture. Whether you’re a current student or an eager learner, you can download these invaluable resources for free, ensuring that you have the tools you need to succeed in your studies. Dive into the world of biological fertilizers and explore the rich content prepared just for you!