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Publication Type J
Authors Rathore, A. P., D. R. Chaudhary and B. Jha
Title Biomass production, nutrient cycling, and carbon fixation by Salicornia brachiata Roxb.: A promising halophyte for coastal saline soil rehabilitation
Source International Journal of Phytoremediation
Author Keywords halophyte phytoremediation salt marsh salt tolerance soil-plant relationship yellow-river estuary salt marshes spartina-alterniflora extreme halophyte ionic composition biological cycle intertidal zone plant-growth nitrogen limitation
Abstract In order to increase our understanding of the interaction of soil-halophyte (Salicornia brachiata) relations and phytoremediation, we investigated the aboveground biomass, carbon fixation, and nutrient composition (N, P, K, Na, Ca, and Mg) of S. brachiata using six sampling sites with varying characteristics over one growing season in intertidal marshes. Simultaneously, soil characteristics and nutrient concentrations were also estimated. There was a significant variation in soil characteristics and nutrient contents spatially (except pH) as well as temporally. Nutrient contents in aboveground biomass of S. brachiata were also significantly differed spatially (except C and Cl) as well as temporally. Aboveground biomass of S. brachiata ranged from 2.51 to 6.07 t/ha at maturity and it was positively correlated with soil electrical conductivity and available Na, whereas negatively with soil pH. The K/Na ratio in plant was below one, showing tolerance to salinity. The aboveground C fixation values ranged from 0.77 to 1.93 C t/ha at all six sampling sites. This study provides new understandings into nutrient cycling-C fixation potential of highly salt-tolerant halophyte S. brachiata growing on intertidal soils of India. S. brachiata have a potential for amelioration of the salinity due to higher Na bioaccumulation factor.
Author Address [Chaudhary, Doongar R.; Jha, Bhavanath] Cent Salt & Marine Chem Res Inst, CSIR, Marine Biotechnol & Ecol Div, GB Marg, Bhavnagar 364002, Gujarat, India. [Chaudhary, Doongar R.; Jha, Bhavanath] Acad Sci & Innovat Res AcSIR, CSIR, New Delhi, India. Chaudhary, DR; Jha, B (reprint author), Cent Salt & Marine Chem Res Inst, CSIR, Marine Biotechnol & Ecol Div, GB Marg, Bhavnagar 364002, Gujarat, India.; Chaudhary, DR; Jha, B (reprint author), Acad Sci & Innovat Res AcSIR, CSIR, New Delhi, India. drchaudhary@csmcri.org; bjha@csmcri.org
ISSN 1522-6514
ISBN 1522-6514
29-Character Source Abbreviation Int. J. Phytoremediat.
Year Published 2016
Volume 18
Issue 8
Beginning Page 801-811
Digital Object Identifier (DOI) 10.1080/15226514.2016.1146228
Unique Article Identifier WOS:000377992900008
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