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How to Download Soil Microbiology by Subba Rao PDF for Free



Soil Microbiology by Subba Rao: A Comprehensive Guide to the Microbial World




Soil microbiology is the study of the microorganisms that live in the soil and their interactions with the soil environment, plants, and other organisms. Soil microorganisms play a vital role in maintaining soil fertility, plant growth, and environmental quality. They are involved in various biogeochemical cycles, such as nitrogen, carbon, sulphur, phosphorus, and trace elements. They also decompose organic matter, degrade pesticides and pollutants, produce biofuels, and form symbiotic associations with plants.




soil microbiology subba rao pdf download



One of the most authoritative and comprehensive books on soil microbiology is Soil Microbiology by Subba Rao, a professor of agricultural microbiology at Acharya N.G. Ranga Agricultural University in India. This book covers all aspects of soil microbiology, from the characteristics of soil environment and soil microbial flora and fauna, to the microbial activities in the soil and their ecological and practical implications. The book also discusses the latest developments in biotechnology and molecular biology as applied to soil microbiology.


Soil Microbiology by Subba Rao is a valuable resource for students and teachers of agriculture, soil science, agricultural microbiology, and environmental science. It is also useful for researchers, extension workers, and policy makers who are interested in soil microbiology and its applications. The book is written in a clear and concise manner, with numerous illustrations, tables, and examples. It also includes review questions, references, and suggested readings at the end of each chapter.


If you want to learn more about soil microbiology and its importance for agriculture and environment, you can download Soil Microbiology by Subba Rao PDF for free from various online sources . You can also buy the book from CBS Publishers & Distributors, who published the revised edition of the book in 2017.


Soil Microbiology by Subba Rao: An Overview of the Contents




The book Soil Microbiology by Subba Rao is divided into 15 chapters, each covering a different aspect of soil microbiology. Here is a brief overview of the contents of each chapter:


  • Chapter 1: Introduction. This chapter provides an introduction to soil microbiology, its history, scope, and importance. It also explains the basic concepts and terms used in soil microbiology.



  • Chapter 2: Soil, the Natural Medium for Plant Growth. This chapter describes the physical, chemical, and biological properties of soil and their influence on plant growth. It also discusses the factors affecting soil formation and classification.



  • Chapter 3: Soil Microorganisms. This chapter gives an account of the diversity and distribution of soil microorganisms, such as bacteria, fungi, algae, protozoa, nematodes, and viruses. It also explains the methods of isolation, identification, and enumeration of soil microorganisms.



  • Chapter 4: The Rhizosphere and the Phyllosphere. This chapter deals with the rhizosphere and the phyllosphere, which are the regions of soil and plant surfaces influenced by root exudates and leaf leachates, respectively. It also describes the microbial interactions and activities in these regions.



  • Chapter 5: Nitrogen Fixation in Free-living and Associative Symbiotic Bacteria. This chapter explains the process of biological nitrogen fixation by free-living and associative symbiotic bacteria, such as Azotobacter, Azospirillum, Klebsiella, Enterobacter, etc. It also discusses the factors affecting nitrogen fixation and its significance for agriculture.



  • Chapter 6: Nitrogen Fixation by Free-living Blue-Green Algae. This chapter describes the process of biological nitrogen fixation by free-living blue-green algae (cyanobacteria), such as Anabaena, Nostoc, Calothrix, etc. It also discusses the factors affecting nitrogen fixation and its significance for agriculture.



  • Chapter 7: Nitrogen Fixation by Symbiotic Blue-Green Algae. This chapter explains the process of biological nitrogen fixation by symbiotic blue-green algae (cyanobacteria), such as Anabaena-Azolla, Nostoc-Gunnera, etc. It also discusses the factors affecting nitrogen fixation and its significance for agriculture.



  • Chapter 8: Rhizobium and Legume Root Nodulation. This chapter deals with the process of biological nitrogen fixation by Rhizobium bacteria in association with legume plants. It also describes the morphology, physiology, genetics, and ecology of Rhizobium-legume symbiosis.



  • Chapter 9: Actinorhizal Plants (Frankia-Induced Nodulation). This chapter explains the process of biological nitrogen fixation by Frankia bacteria in association with actinorhizal plants, such as Casuarina, Alnus, Myrica, etc. It also describes the morphology, physiology, genetics, and ecology of Frankia-actinorhizal symbiosis.



  • Chapter 10: Organic Matter Decomposition. This chapter describes the process of organic matter decomposition by soil microorganisms and their enzymes. It also discusses the factors affecting organic matter decomposition and its significance for soil fertility and carbon cycle.



  • Chapter 11: Nitrification and Denitrification. This chapter explains the process of nitrification and denitrification by soil microorganisms. Nitrification is the oxidation of ammonia to nitrite and nitrate by nitrifying bacteria, such as Nitrosomonas and Nitrobacter. Denitrification is the reduction of nitrate to nitrous oxide and nitrogen gas by denitrifying bacteria, such as Pseudomonas and Bacillus. The chapter also discusses the factors affecting nitrification and denitrification and their significance for nitrogen cycle and greenhouse gas emissions.



  • Chapter 12: Microbial Products Influencing Plant Growth. This chapter describes the various microbial products that influence plant growth positively or negatively. These include plant hormones (auxins, cytokinins, gibberellins), vitamins (thiamine, biotin), antibiotics (streptomycin), toxins (aflatoxin), siderophores (iron-chelating compounds), etc.



Chapter 13: Sulphur, Phosphorus and Trace Element Nutrition. This chapter explains the role of soil microorganisms in sulphur, phosphorus and trace element nutrition of plants. Sulphur cycle involves oxidation of sulphur to sulphate by sulphur-oxidizing bacteria (Thiobacillus) and reduction of sulphate to sulphide by sulphate-reducing bacteria (Desulfovibrio). Phosphorus cycle involves solubilization of insoluble phosphates by phosphate-solubilizing bacteria (Bacillus) and fungi (Aspergillus) and immobilization of soluble phosphates by phosphate-precipitating bacteria (Pseudomonas). Trace element cycle involves mobilization or immobilization of trace elements (iron, manganese,


  • zinc, copper) by various soil microorganisms.



Chapter 14: Biodegradation of Pesticides and Pollutants. This chapter describes the process of biodegradation of pesticides and pollutants by soil microorganisms. Pesticides are synthetic chemicals used to control pests (insects, weeds, fungi) in agriculture. Pollutants are harmful substances that contaminate soil or water due to human activities (industrial waste,


  • sewage). The chapter also discusses the factors affecting biodegradation and its significance for environmental protection.



Chapter 15: Mycorrhizae. This chapter deals with mycorrhizae,


which are symbiotic associations between soil fungi and plant roots.


Mycorrhizae enhance plant growth by increasing nutrient uptake,


water absorption, disease resistance, etc. The chapter also describes


the morphology, physiology, genetics, ecology,


and classification


  • of mycorrhizae.



Soil Microbiology by Subba Rao: Biotechnology in Agriculture




The last chapter of the book Soil Microbiology by Subba Rao is devoted to biotechnology in agriculture, which is the application of biological techniques and methods to improve agricultural productivity and quality. Biotechnology in agriculture involves the use of microorganisms, plants, and animals as sources of genes, enzymes, hormones, vaccines, etc. The chapter also covers the topics of genetic engineering, transgenic plants and animals, biofertilizers, biopesticides, biocontrol agents, biosensors, etc.


Biotechnology in agriculture has many advantages, such as increasing crop yield and quality, enhancing stress tolerance and disease resistance, reducing chemical inputs and environmental pollution, improving animal health and welfare, etc. However, biotechnology in agriculture also poses some challenges and risks, such as ethical issues, biosafety concerns, social and economic impacts, etc. Therefore, biotechnology in agriculture requires careful regulation and monitoring to ensure its safety and sustainability.


Soil Microbiology by Subba Rao provides a comprehensive and up-to-date overview of biotechnology in agriculture and its applications to soil microbiology. The chapter also discusses the future prospects and challenges of biotechnology in agriculture and its implications for food security and environmental protection.


Soil Microbiology by Subba Rao: How to Download the PDF for Free




If you are interested in reading Soil Microbiology by Subba Rao, you can download the PDF version of the book for free from various online sources. However, you should be careful about the quality and authenticity of the PDF files, as some of them may be corrupted, incomplete, or pirated. Therefore, it is advisable to download the PDF files from reliable and legal sources, such as academic websites, libraries, or publishers.


One of the sources where you can download Soil Microbiology by Subba Rao PDF for free is ResearchGate, which is a social networking site for researchers and academics. You can access the PDF file of the book by following this link: https://www.researchgate.net/publication/281439565_Soil_Microbiology. You will need to create a free account on ResearchGate and log in to download the file. You can also read the abstract and reviews of the book on ResearchGate.


Another source where you can download Soil Microbiology by Subba Rao PDF for free is Google Books, which is a service that allows you to search and preview millions of books online. You can access the PDF file of the book by following this link: https://books.google.com/books/about/Soil_Microbiology.html?id=9Okvn7ew1voC. You will need to have a Google account and log in to download the file. You can also read some pages of the book on Google Books.


A third source where you can download Soil Microbiology by Subba Rao PDF for free is Thebookee.net, which is a website that allows you to search and download ebooks for free. You can access the PDF file of the book by following this link: https://thebookee.net/so/soil-microbiology-subha-rao. You will not need to create an account or log in to download the file. However, you should be aware that Thebookee.net may not have the full or latest version of the book, and may contain ads or pop-ups.


Conclusion




Soil Microbiology by Subba Rao is a comprehensive and authoritative book that covers all aspects of soil microbiology, from the characteristics of soil environment and soil microbial flora and fauna, to the microbial activities in the soil and their ecological and practical implications. The book also discusses the latest developments in biotechnology and molecular biology as applied to soil microbiology. The book is written in a clear and concise manner, with numerous illustrations, tables, and examples. It also includes review questions, references, and suggested readings at the end of each chapter.


Soil Microbiology by Subba Rao is a valuable resource for students and teachers of agriculture, soil science, agricultural microbiology, and environmental science. It is also useful for researchers, extension workers, and policy makers who are interested in soil microbiology and its applications. The book is available in both print and digital formats. You can download Soil Microbiology by Subba Rao PDF for free from various online sources, such as ResearchGate, Google Books, or Thebookee.net. However, you should be careful about the quality and authenticity of the PDF files, as some of them may be corrupted, incomplete, or pirated. Therefore, it is advisable to download the PDF files from reliable and legal sources, such as academic websites, libraries, or publishers. b99f773239


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