Salinity and nitrogen source affect productivity and nutritional value of edible halophytes
Saline agriculture may contribute to food production in the face of the declining availability of fresh water and an expanding area of salinized soils worldwide. However, there is currently little known about the biomass and nutrient/antinutrient accumulation response of many edible halophytes to in...
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| Veröffentlicht in: | PloS one 2023-08, Vol.18 (8), p.e0288547-e0288547 |
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| description | Saline agriculture may contribute to food production in the face of the declining availability of fresh water and an expanding area of salinized soils worldwide. However, there is currently little known about the biomass and nutrient/antinutrient accumulation response of many edible halophytes to increasing levels of salinity and nitrogen source. To address this, two glass house experiments were carried out. The first to study the shoot biomass, and nutrient accumulation response, measured by ICP-MS analysis, of edible halophyte species, including Mesembryanthemum crystallinum (ice plant), Salsola komarovii (Land seaweed), Enchylaena tomentosa (Ruby Saltbush), Crithmum maritimum (Rock Samphire), Crambe maritima (Sea Kale) and Mertensia maritima (Oyster Plant), under increasing levels of salinity (0 to 800 mM). The second experiment studied the effects of nitrogen source combined with salinity, on levels of oxalate, measured by HPLC, in ice plant and ruby saltbush. Species differences for biomass and sodium (Na), potassium (K), chloride (Cl), nitrogen (N) and phosphorus (P) accumulation were observed across the range of salt treatments (0 to 800mM). Shoot concentrations of the anti-nutrient oxalate decreased significantly in ice plant and ruby saltbush with an increase in the proportion of N provided as NH.sub.4 .sup.+ (up to 100%), while shoot oxalate concentrations in ice plant and ruby saltbush grown in the absence of NaCl were not significantly different to oxalate concentrations in plants treated with 200 mM or 400 mM NaCl. However, the lower shoot oxalate concentrations observed with the increase in NH.sub.4 .sup.+ came with concurrent reductions in shoot biomass. Results suggest that there will need to be a calculated tradeoff between oxalate levels and biomass when growing these plants for commercial purposes. |
| doi_str_mv | 10.1371/journal.pone.0288547 |
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Sydur ; Rose, Terry J ; Barkla, Bronwyn J</creator><contributor>Islam, Khandakar R.</contributor><creatorcontrib>Farzana, Tania ; Guo, Qi ; Rahman, Md. Sydur ; Rose, Terry J ; Barkla, Bronwyn J ; Islam, Khandakar R.</creatorcontrib><description>Saline agriculture may contribute to food production in the face of the declining availability of fresh water and an expanding area of salinized soils worldwide. However, there is currently little known about the biomass and nutrient/antinutrient accumulation response of many edible halophytes to increasing levels of salinity and nitrogen source. To address this, two glass house experiments were carried out. The first to study the shoot biomass, and nutrient accumulation response, measured by ICP-MS analysis, of edible halophyte species, including Mesembryanthemum crystallinum (ice plant), Salsola komarovii (Land seaweed), Enchylaena tomentosa (Ruby Saltbush), Crithmum maritimum (Rock Samphire), Crambe maritima (Sea Kale) and Mertensia maritima (Oyster Plant), under increasing levels of salinity (0 to 800 mM). The second experiment studied the effects of nitrogen source combined with salinity, on levels of oxalate, measured by HPLC, in ice plant and ruby saltbush. Species differences for biomass and sodium (Na), potassium (K), chloride (Cl), nitrogen (N) and phosphorus (P) accumulation were observed across the range of salt treatments (0 to 800mM). Shoot concentrations of the anti-nutrient oxalate decreased significantly in ice plant and ruby saltbush with an increase in the proportion of N provided as NH.sub.4 .sup.+ (up to 100%), while shoot oxalate concentrations in ice plant and ruby saltbush grown in the absence of NaCl were not significantly different to oxalate concentrations in plants treated with 200 mM or 400 mM NaCl. However, the lower shoot oxalate concentrations observed with the increase in NH.sub.4 .sup.+ came with concurrent reductions in shoot biomass. Results suggest that there will need to be a calculated tradeoff between oxalate levels and biomass when growing these plants for commercial purposes.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0288547</identifier><identifier>PMID: 37582102</identifier><language>eng</language><publisher>San Francisco: Public Library of Science</publisher><subject>Accumulation ; Agriculture ; Algae ; Analysis ; Atriplex ; Biology and Life Sciences ; Biomass ; Evaluation ; Experiments ; Food production ; Fresh water ; Halophytes ; High performance liquid chromatography ; Horticulture ; Humidity ; Ice ; Irrigation ; Kale ; Liquid chromatography ; Medicine and Health Sciences ; Metabolites ; Mosses ; Nitrates ; Nitrogen ; Nutrient concentrations ; Nutrients ; Nutritive value ; Oxalates ; Oxalic acid ; Phosphorus ; Physical Sciences ; Potassium ; Properties ; Ratios ; Ruby ; Salinity ; Salinity effects ; Salt ; Seaweeds ; Seeds ; Shoots ; Sodium ; Sodium chloride</subject><ispartof>PloS one, 2023-08, Vol.18 (8), p.e0288547-e0288547</ispartof><rights>COPYRIGHT 2023 Public Library of Science</rights><rights>2023 Farzana et al. 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Sydur</creatorcontrib><creatorcontrib>Rose, Terry J</creatorcontrib><creatorcontrib>Barkla, Bronwyn J</creatorcontrib><title>Salinity and nitrogen source affect productivity and nutritional value of edible halophytes</title><title>PloS one</title><description>Saline agriculture may contribute to food production in the face of the declining availability of fresh water and an expanding area of salinized soils worldwide. However, there is currently little known about the biomass and nutrient/antinutrient accumulation response of many edible halophytes to increasing levels of salinity and nitrogen source. To address this, two glass house experiments were carried out. 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Sydur</au><au>Rose, Terry J</au><au>Barkla, Bronwyn J</au><au>Islam, Khandakar R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Salinity and nitrogen source affect productivity and nutritional value of edible halophytes</atitle><jtitle>PloS one</jtitle><date>2023-08-15</date><risdate>2023</risdate><volume>18</volume><issue>8</issue><spage>e0288547</spage><epage>e0288547</epage><pages>e0288547-e0288547</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Saline agriculture may contribute to food production in the face of the declining availability of fresh water and an expanding area of salinized soils worldwide. However, there is currently little known about the biomass and nutrient/antinutrient accumulation response of many edible halophytes to increasing levels of salinity and nitrogen source. To address this, two glass house experiments were carried out. The first to study the shoot biomass, and nutrient accumulation response, measured by ICP-MS analysis, of edible halophyte species, including Mesembryanthemum crystallinum (ice plant), Salsola komarovii (Land seaweed), Enchylaena tomentosa (Ruby Saltbush), Crithmum maritimum (Rock Samphire), Crambe maritima (Sea Kale) and Mertensia maritima (Oyster Plant), under increasing levels of salinity (0 to 800 mM). The second experiment studied the effects of nitrogen source combined with salinity, on levels of oxalate, measured by HPLC, in ice plant and ruby saltbush. Species differences for biomass and sodium (Na), potassium (K), chloride (Cl), nitrogen (N) and phosphorus (P) accumulation were observed across the range of salt treatments (0 to 800mM). Shoot concentrations of the anti-nutrient oxalate decreased significantly in ice plant and ruby saltbush with an increase in the proportion of N provided as NH.sub.4 .sup.+ (up to 100%), while shoot oxalate concentrations in ice plant and ruby saltbush grown in the absence of NaCl were not significantly different to oxalate concentrations in plants treated with 200 mM or 400 mM NaCl. However, the lower shoot oxalate concentrations observed with the increase in NH.sub.4 .sup.+ came with concurrent reductions in shoot biomass. 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| subjects | Accumulation Agriculture Algae Analysis Atriplex Biology and Life Sciences Biomass Evaluation Experiments Food production Fresh water Halophytes High performance liquid chromatography Horticulture Humidity Ice Irrigation Kale Liquid chromatography Medicine and Health Sciences Metabolites Mosses Nitrates Nitrogen Nutrient concentrations Nutrients Nutritive value Oxalates Oxalic acid Phosphorus Physical Sciences Potassium Properties Ratios Ruby Salinity Salinity effects Salt Seaweeds Seeds Shoots Sodium Sodium chloride |
| title | Salinity and nitrogen source affect productivity and nutritional value of edible halophytes |
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