Biofertilizers
S.Y.B.Sc. SEM III BO-215
Authors:
ISBN:
Rs.100.00
- DESCRIPTION
- INDEX
We are pleased to present this textbook on “Biofertilizers” for Second Year
B.Sc. Botany students, designed in alignment with the guidelines of the National
Education Policy (NEP) 2020. This book is structured to meet the needs of the
updated curriculum and to support a holistic, interdisciplinary, and applicationoriented
approach to learning biological sciences.
Biofertilizers represent an eco-friendly alternative to chemical fertilizers,
playing a critical role in sustainable agriculture and environmental conservation.
This textbook introduces students to the world of biofertilizers, highlighting
their types, production, mechanisms of action, and benefits in enhancing soil
fertility and crop productivity.
The book follows the NEP’s Learning Outcomes-based Curriculum
Framework (LOCF), ensuring that students not only gain conceptual clarity but
also develop practical skills, critical thinking, and environmental responsibility.
The book also includes diagrams, MCQs, short and long answer questions, to
enhance student engagement and aid exam preparation.
We must express our heartfelt thanks to the Chairman and all the members of
Board of Studies in Botany of Kavayitri Bahinabai Chaudhari North Maharashtra
University, Jalgaon for their kind cooperation to us while writing this book.
Lastly we are extremely thankful to the Publisher and staff of Prashant
publications for undertaking the publication.
UNIT 1……………………………………………………………………………………… 7
General Account
1.1 Introduction, scope and importance of Biofertilizers.
1.2 Manures and Biofertilizers: Types of fertilizers, manures, manure
composition, manure for crop productivity.
1.3 Difference between Chemical fertilizers and Biofertilizers.
1.4 General accounts on the microbes used as a Biofertilizers.
UNIT 2……………………………………………………………………………………. 24
Bacterial Fertilizers
2.1 Azospirillum: isolation and mass multiplication, carrier-based
inoculant, applications.
2.2 Azotobactor: Classification, characteristics, crop response, to
Azotobactor inoculum, maintenance, mass multiplication
2.3 Rhizobium: isolation and mass multiplication, applications.
UNIT 3……………………………………………………………………………………. 38
Algal Biofertilizers
3.1 Types of Algal Biofertilizers: BGA-Cyanobacteria, Azolla,
isolation and mass multiplication of cyanobacteria and Azolla.
3.2 Applications of Algal Biofertilizers
3.3 Biological Nitrogen Fixation.
UNIT 4……………………………………………………………………………………. 56
Fungal Biofertilizers
4.1 Mycorrhizal Association, types of mycorrhizal association,
occurrence and distribution, growth and yield.
4.2 Colonization of VAM (Vesicular Arbuscular Mycorrhiza)
4.3 Application of mycorrhiza in agriculture. UNIT 5……………………………………………………………………………………. 67
Organic Farming
5.1 Green manuring and organic fertilizers
5.2 Recycling of biodegradable agricultural and industrial waste
5.3 Bio compost making methods: Farm Yard, Green leaf Compost.
GLOSSARY…………………………………………………………………………….. 82
REFERENCES…………………………………………………………………………. 86
Author
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