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Development of microbial-fortified rice straw compost to improve plant growth, productivity, soil health, and rice blast disease management of aerobic rice

In aerobic rice cultivation systems, compost mulching and incorporation are important to rehabilitate the soil. Microbial-fortified compost is increasingly accepted as a safe approach in agro-waste management to recycling of crop residuals in agriculture soil and also to promote growth and suppress...

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Main Authors: Ng, Lee Chuen, Meon, Sariah, Othman, Radziah, Mior Ahmad, Zainal Abidin, Othman, Sariam
Format: Article
Language:English
Published: Taylor & Francis 2016
Online Access:http://psasir.upm.edu.my/id/eprint/43290/1/Development%20of%20microbial-fortified%20rice%20straw%20compost%20to%20improve%20plant%20growth%2C%20productivity%2C%20soil%20health%2C%20and%20rice%20blast%20disease%20management%20of%20aerobic%20rice.pdf
http://psasir.upm.edu.my/id/eprint/43290/
http://www.tandfonline.com/doi/abs/10.1080/1065657X.2015.1076750?journalCode=ucsu20
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spelling my.upm.eprints.432902016-05-18T04:44:12Z http://psasir.upm.edu.my/id/eprint/43290/ Development of microbial-fortified rice straw compost to improve plant growth, productivity, soil health, and rice blast disease management of aerobic rice Ng, Lee Chuen Meon, Sariah Othman, Radziah Mior Ahmad, Zainal Abidin Othman, Sariam In aerobic rice cultivation systems, compost mulching and incorporation are important to rehabilitate the soil. Microbial-fortified compost is increasingly accepted as a safe approach in agro-waste management to recycling of crop residuals in agriculture soil and also to promote growth and suppress disease. This study aims to examine the stability and viability of the selected plant growth-promoting microorganisms (PGPM) in rice straw compost (RSC) over incubation period and its bio-efficacy in promoting rice (Oryza sativa) plant growth, productivity, soil health, and controlling of Pyricularia oryzae in aerobic cultivation conditions. Six selected PGPM: Pseudomonas aeruginosa (UPMP1), Corynebacterium agropyri (UPMP7), Enterobacter gergoviae (UPMP9), Bacillus amyloliquefaciens (UPMS3), Trichoderma harzianum (UPMT1), and Trichoderma virens (UPMT2) were used as a consortium of microbial inoculants to develop the microbial-fortified rice straw compost (MRSC). The MRSC was incorporated into mineral soil used for aerobic rice cultivation and its bio-efficacy was evaluated at harvest. The viability of Trichoderma spp. found stabilized at 6.78–6.00 log cfu/g and declined for all the bacterial isolates. At harvest, soil amended with MRSC significantly increased in plant height, leaf area index, 1000 grain weight, and productivity. The MRSC amended plots had significant low in rice blast disease severity with area under disease progress curve (AUDCP) of 748.22 unit/square, as compared to control (1782.67 unit/square). The physicochemical and microbiological properties of soil amended with MRSC were improved at harvest. The application of MRSC has potential to improve plant growth, productivity, rice blast disease management, and soil health of rice under aerobic cultivation systems. Taylor & Francis 2016 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/43290/1/Development%20of%20microbial-fortified%20rice%20straw%20compost%20to%20improve%20plant%20growth%2C%20productivity%2C%20soil%20health%2C%20and%20rice%20blast%20disease%20management%20of%20aerobic%20rice.pdf Ng, Lee Chuen and Meon, Sariah and Othman, Radziah and Mior Ahmad, Zainal Abidin and Othman, Sariam (2016) Development of microbial-fortified rice straw compost to improve plant growth, productivity, soil health, and rice blast disease management of aerobic rice. Compost Science & Utilization, 24 (2). pp. 86-97. ISSN 1065-657X; ESSN: 2326-2397 http://www.tandfonline.com/doi/abs/10.1080/1065657X.2015.1076750?journalCode=ucsu20 10.1080/1065657X.2015.1076750
institution Universiti Putra Malaysia
building UPM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Putra Malaysia
content_source UPM Institutional Repository
url_provider http://psasir.upm.edu.my/
language English
description In aerobic rice cultivation systems, compost mulching and incorporation are important to rehabilitate the soil. Microbial-fortified compost is increasingly accepted as a safe approach in agro-waste management to recycling of crop residuals in agriculture soil and also to promote growth and suppress disease. This study aims to examine the stability and viability of the selected plant growth-promoting microorganisms (PGPM) in rice straw compost (RSC) over incubation period and its bio-efficacy in promoting rice (Oryza sativa) plant growth, productivity, soil health, and controlling of Pyricularia oryzae in aerobic cultivation conditions. Six selected PGPM: Pseudomonas aeruginosa (UPMP1), Corynebacterium agropyri (UPMP7), Enterobacter gergoviae (UPMP9), Bacillus amyloliquefaciens (UPMS3), Trichoderma harzianum (UPMT1), and Trichoderma virens (UPMT2) were used as a consortium of microbial inoculants to develop the microbial-fortified rice straw compost (MRSC). The MRSC was incorporated into mineral soil used for aerobic rice cultivation and its bio-efficacy was evaluated at harvest. The viability of Trichoderma spp. found stabilized at 6.78–6.00 log cfu/g and declined for all the bacterial isolates. At harvest, soil amended with MRSC significantly increased in plant height, leaf area index, 1000 grain weight, and productivity. The MRSC amended plots had significant low in rice blast disease severity with area under disease progress curve (AUDCP) of 748.22 unit/square, as compared to control (1782.67 unit/square). The physicochemical and microbiological properties of soil amended with MRSC were improved at harvest. The application of MRSC has potential to improve plant growth, productivity, rice blast disease management, and soil health of rice under aerobic cultivation systems.
format Article
author Ng, Lee Chuen
Meon, Sariah
Othman, Radziah
Mior Ahmad, Zainal Abidin
Othman, Sariam
spellingShingle Ng, Lee Chuen
Meon, Sariah
Othman, Radziah
Mior Ahmad, Zainal Abidin
Othman, Sariam
Development of microbial-fortified rice straw compost to improve plant growth, productivity, soil health, and rice blast disease management of aerobic rice
author_facet Ng, Lee Chuen
Meon, Sariah
Othman, Radziah
Mior Ahmad, Zainal Abidin
Othman, Sariam
author_sort Ng, Lee Chuen
title Development of microbial-fortified rice straw compost to improve plant growth, productivity, soil health, and rice blast disease management of aerobic rice
title_short Development of microbial-fortified rice straw compost to improve plant growth, productivity, soil health, and rice blast disease management of aerobic rice
title_full Development of microbial-fortified rice straw compost to improve plant growth, productivity, soil health, and rice blast disease management of aerobic rice
title_fullStr Development of microbial-fortified rice straw compost to improve plant growth, productivity, soil health, and rice blast disease management of aerobic rice
title_full_unstemmed Development of microbial-fortified rice straw compost to improve plant growth, productivity, soil health, and rice blast disease management of aerobic rice
title_sort development of microbial-fortified rice straw compost to improve plant growth, productivity, soil health, and rice blast disease management of aerobic rice
publisher Taylor & Francis
publishDate 2016
url http://psasir.upm.edu.my/id/eprint/43290/1/Development%20of%20microbial-fortified%20rice%20straw%20compost%20to%20improve%20plant%20growth%2C%20productivity%2C%20soil%20health%2C%20and%20rice%20blast%20disease%20management%20of%20aerobic%20rice.pdf
http://psasir.upm.edu.my/id/eprint/43290/
http://www.tandfonline.com/doi/abs/10.1080/1065657X.2015.1076750?journalCode=ucsu20
_version_ 1643833523167035392
score 13.211869

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