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Aquatic microphylla Azolla: a perspective paradigm for sustainable agriculture, environment and global climate change

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Abstract

This review addresses the perspectives of Azolla as a multifaceted aquatic resource to ensure ecosystem sustainability. Nitrogen fixing potential of cyanobacterial symbiont varies between 30 and 60 kg N ha−1 which designates Azolla as an important biological N source for agriculture and animal industry. Azolla exhibits high bioremediation potential for Cd, Cr, Cu, and Zn. Azolla mitigates greenhouse gas emission from agriculture. In flooded rice ecosystem, Azolla dual cropping decreased CH4 emission by 40 % than did urea alone and also stimulated CH4 oxidation. This review highlighted integrated approach using Azolla that offers enormous public health, environmental, and cost benefits.

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Acknowledgments

This manuscript is part of the institute funded project “Greenhouse gas emission from composting systems and characterization of GHG regulating microbes”. We are grateful to our senior colleagues for their suggestion in framing the manuscript. We acknowledge two anonymous reviewers for their valuable suggestions in improving the manuscript.

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  1. Indian Institute of Soil Science (IISS), Berasia Road, Nabibagh, Bhopal, MP, India, 462038

    Bharati Kollah, Ashok Kumar Patra & Santosh Ranjan Mohanty

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Kollah, B., Patra, A.K. & Mohanty, S.R. Aquatic microphylla Azolla: a perspective paradigm for sustainable agriculture, environment and global climate change. Environ Sci Pollut Res 23, 4358–4369 (2016). https://doi.org/10.1007/s11356-015-5857-9

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