Role of phosphate-solubilizing bacteria on the growth of aerobic rice

Rice (Oryza sativa L.) serves as a staple food for more than three billion people worldwide. Aerobic rice requires the same amount of nutrients as flooded rice, but in the former, there is a problem of phosphorus (P) availability, due to its fixation with other elements. In the soil, P becomes unava...

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Main Authors: Othman, Radziah, Panhwar, Qurban Ali, Naher, Umme Aminun
Format: Book
Language:English
Published: Lambert Academic Publishing 2014
Online Access:http://psasir.upm.edu.my/id/eprint/38031/1/Role%20of%20phosphate-solubilizing%20bacteria%20on%20the%20growth%20of%20aerobic%20rice.pdf
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author Othman, Radziah
Panhwar, Qurban Ali
Naher, Umme Aminun
author_facet Othman, Radziah
Panhwar, Qurban Ali
Naher, Umme Aminun
author_sort Othman, Radziah
collection UPM
description Rice (Oryza sativa L.) serves as a staple food for more than three billion people worldwide. Aerobic rice requires the same amount of nutrients as flooded rice, but in the former, there is a problem of phosphorus (P) availability, due to its fixation with other elements. In the soil, P becomes unavailable due to fixation and immobilization and about 70-90% phosphatic fertilizers become fixed in soil. Microorganisms play an important role in agriculture by supplying nutrients to the plants and reduce the demand of chemical fertilizers. Microorganisms, especially phosphate-solubilizing bacteria (PSB) have the ability to solubilize, insoluble P in soil and reduce inputs of chemical fertilizers. Besides PSB are also capable of producing indole-3-acetic acid, a phytohormone known to be involved in root initiation, cell division and cell enlargement. Furthermore, these strains have ability to stimulate the growth of roots and shoots and increased 32P-labeled phosphate uptake in the plants.
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spelling upm.eprints-380312015-05-26T04:21:42Z http://psasir.upm.edu.my/id/eprint/38031/ Role of phosphate-solubilizing bacteria on the growth of aerobic rice Othman, Radziah Panhwar, Qurban Ali Naher, Umme Aminun Rice (Oryza sativa L.) serves as a staple food for more than three billion people worldwide. Aerobic rice requires the same amount of nutrients as flooded rice, but in the former, there is a problem of phosphorus (P) availability, due to its fixation with other elements. In the soil, P becomes unavailable due to fixation and immobilization and about 70-90% phosphatic fertilizers become fixed in soil. Microorganisms play an important role in agriculture by supplying nutrients to the plants and reduce the demand of chemical fertilizers. Microorganisms, especially phosphate-solubilizing bacteria (PSB) have the ability to solubilize, insoluble P in soil and reduce inputs of chemical fertilizers. Besides PSB are also capable of producing indole-3-acetic acid, a phytohormone known to be involved in root initiation, cell division and cell enlargement. Furthermore, these strains have ability to stimulate the growth of roots and shoots and increased 32P-labeled phosphate uptake in the plants. Lambert Academic Publishing 2014-11-03 Book PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/38031/1/Role%20of%20phosphate-solubilizing%20bacteria%20on%20the%20growth%20of%20aerobic%20rice.pdf Othman, Radziah and Panhwar, Qurban Ali and Naher, Umme Aminun (2014) Role of phosphate-solubilizing bacteria on the growth of aerobic rice. Lambert Academic Publishing, Germany. ISBN 3659620211/9783659620218
spellingShingle Othman, Radziah
Panhwar, Qurban Ali
Naher, Umme Aminun
Role of phosphate-solubilizing bacteria on the growth of aerobic rice
title Role of phosphate-solubilizing bacteria on the growth of aerobic rice
title_full Role of phosphate-solubilizing bacteria on the growth of aerobic rice
title_fullStr Role of phosphate-solubilizing bacteria on the growth of aerobic rice
title_full_unstemmed Role of phosphate-solubilizing bacteria on the growth of aerobic rice
title_short Role of phosphate-solubilizing bacteria on the growth of aerobic rice
title_sort role of phosphate solubilizing bacteria on the growth of aerobic rice
url http://psasir.upm.edu.my/id/eprint/38031/1/Role%20of%20phosphate-solubilizing%20bacteria%20on%20the%20growth%20of%20aerobic%20rice.pdf
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