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Product Description: Lewontin is undoubtedly one of the most distinguished evolutionary biologists of our time. He has contributed to science not only by his own work on evolutionary theory and molecular variation and by his influence on the many young scientists who have worked with him, but also by asking us to think about the relationships between the science we do and the world we do it in...read more

Product Description: After introducing general principles, this book presents information on the management of plant diseases through cultural practices, biological control, host-resistance and direct use of chemicals. The author emphasizes the use of well-balanced techniques. (view table of contents, read Amazon.com's description)

Product Description: This volume provides a description of symptoms of diseases, and of the identification and description of pathogens associated with the diseases from different parts of the world. The relationship of the diseases with the local environment and approaches to management, particularly non-chemical (where possible) is also covered...read more (view table of contents, read Amazon.com's description)

With reference to Chotanagpur region of Bihar, India.