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Nitrogen loss pathways in anaerobic soils and mitigation approaches through inhibitors - a review

Ahmad Khariri, Rosmarina and Yusop, Mohd Khanif and Musa, Mohamed Hanafi and Hussin, Aminuddin and Abdul Rahim, K. B. (2016) Nitrogen loss pathways in anaerobic soils and mitigation approaches through inhibitors - a review. American-Eurasian Journal of Agricultural & Environmental Sciences, 16 (4). pp. 641-651. ISSN 1818-6769; ESSN: 1990-4053

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Abstract

Nitrogen (N) is the largest yield limiting nutrient in rice cropping. Therefore, efficient N fertilizer management is critical for rice production. Nevertheless, the complex nature of N transformation in soils, has led to low N use efficiency. The lower N use efficiency of fertilizers is a result of multiple loss mechanisms such as volatilization and denitrification and it is a major problem in rice system. Low efficiency of N is not only responsible higher cost of crop production, but also a major threat to environmental quality. The use specially formulated form of fertilizer by supplemented with inhibitors have a great prospect to reduce N losses, improve fertilizer N efficiency and produce positive impact to the environment. This review discusses the N losses pathway in anaerobic rice soil, the effectiveness and mechanism of urease inhibitors as well as nitrification inhibitors to minimize the N loss.

Item Type:Article
Keyword:Nitrification; Denitrification; Urease; Rice soil
Faculty or Institute:Faculty of Agriculture
Publisher:IDOSI Publications
DOI Number:10.5829/idosi.aejaes.2016.16.4.12897
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.5829/idosi.aejaes.2016.16.4.12897
ID Code:52436
Deposited By: Nabilah Mustapa
Deposited On:06 Jun 2017 17:09
Last Modified:06 Jun 2017 17:09

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