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Potassium Solubilizing Microorganisms for Sustainable Agriculture

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Potassium Solubilizing Microorganisms for Sustainable Agriculture

Bihari Ram Maurya, Vijay Singh Meena, Ram Swaroop Meena, Jay Prakash Verma

Springer
Publication date : 2016-06-27

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The potassium solubilizing microorganisms (KSMs) are a rhizospheric microorganism which solubilizes the insoluble potassium (K) to soluble forms of K for plant growth and yield. K-solubilization is carried out by a large number of saprophytic bacteria (Bacillus mucilaginosus, B. edaphicus, B. circulans, Acidothiobacillus ferrooxidans, Paenibacillus spp.) and fungal strains (Aspergillus spp. and Aspergillus terreus). Major amounts of K containing minerals (muscovite, orthoclase, biotite, feldspar, illite, mica) are present in the soil as a fixed form which is not directly taken up by the plant.

Nowadays most of the farmers use injudicious application of chemical fertilizers for achieving maximum productivity. However, the KSMs are most important microorganisms for solubilizing fixed form of K in soil system. The KSMs are an indigenous rhizospheric microorganism which show effective interaction between soil-plant systems. The main mechanism of KSMs is acidolysis, chelation, exchange reactions, complexolysis and production of organic acid. According to the literature, currently negligible use of potassium fertilizer as chemical form has been recorded in agriculture for enhancing crop yield. Most of the farmers use only nitrogen and phosphorus and not the K fertilizer due to unawareness that the problem of K deficiency occurs in rhizospheric soils. The K fertilizer is also costly as compared to other chemical fertilizers.

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About the book

Author

Bihari Ram Maurya , Vijay Singh Meena , Ram Swaroop Meena , Jay Prakash Verma

Imprint

Springer

Collection

n.c

Publication date

2016-06-27

Pages

331 pages

Print ISBN

9788132227748

Language

English

Ebook informations

EAN EPUB

9788132227762

Price

£129.50

Copy count 3

Print count 33

File size 3164 Ko

Informations accessibility

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About author(s)

Bihari Ram Maurya

Vijay Singh Meena

Ram Swaroop Meena

Jay Prakash Verma

Dr. Vijay Signh Meena is currently working as scientist at ICAR - Vivekananda Institute of Hill Agriculture, Almora, Uttarkhand, India.

Dr. Bihari Ram Maurya is currently working as Professor at Banaras Hindu University, Varanasi, India.

Dr. Jay Prakash Verma is currently working as assistant professor at Institute of Environment and Sustainable Development, Banaras Hindu University, Uttar Pradesh, India.

Dr. Ram Swaroop Meena is currently working as Institute of Agricultural Sciences, Banaras Hindu University, Uttar Pradesh, India.

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