Water use efficiency, nutrient leaching, and growth in potted marigolds affected by coconut coir dust amended in substrate media

Hongpakdee, P.; Ruamrungsri, Soraya

doi:10.1007/s13580-015-0064-7

Cited by 16 publications

(18 citation statements)

References 18 publications

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“…Plants of the Mexican marigold grown in peat TS1 also developed flowers with a larger diameter of flower heads. Other studies had also reported a positive influence of peat-coconut or coconut substrates on the growth and development of plants such as marigold, verbena, zinnia, celosia and impatiens (Awang and Ismail 1997, Dobrowolska and Startek 2003, Herrera-Moreno et al 2013, Hongpakdee and Ruamrungsri 2015. In our experiment, the tested marigold cultivars were characterized by much better growth and significantly better flowering in comparison with the other substrates used.…”

Section: Discussionsupporting

confidence: 70%

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The influence of substrate type and chlormequat on the growth and flowering of marigold (Tagetes L.)

Maslanka

Magdziarz

2017

Folia Horticulturae

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This study was conducted to investigate the effect of various horticultural substrates (compost, peat-coconut, peat TS1, flower soil, lowmoor peat) and a foliar spray of chlormequat (at a concentration of 1380 mg dm -3 ) on the growth and flowering of the marigold cultivars belonging to two species: Tagetes erecta -ʻMarvel Mixtureʼ and ʻTaishan Orangeʼ, and Tagetes patula -ʻDurango Redʼ and ʻBonanza Flameʼ. The obtained results show that the plants grown in peat TS1 and peat-coconut were taller, had longer internodes and leaves, and thicker stems than the plants grown in the other substrates. Chlormequat significantly reduced the height of ʻMarvel Mixtureʼ (in peat TS1), ʻTaishan Orangeʼ (in lowmoor peat) and 'Bonanza Flameʼ (in peat-coconut). The use of chlormequat also accelerated the development of flower heads in ʻTaishan Orangeʼ (in lowmoor peat).

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Section: Discussionsupporting

confidence: 70%

“…Marigolds are among the most popular ornamental garden and balcony plants (Hongpakdee andRuamrungsri 2015, Kumar et al 2016). They are characterized by a very long flowering season, lasting from May until the autumn frosts, and high resistance to heat and drought.…”

Section: Introductionmentioning

confidence: 99%

The influence of substrate type and chlormequat on the growth and flowering of marigold (Tagetes L.)

Maslanka

Magdziarz

2017

Folia Horticulturae

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“…Feizi and Jalali (2016) [74] studied sunflower, potato, canola and walnut shell residues as biosorbents to remove P from aqueous solutions and showed maximum sorption of P in the range of 2.8-4.3 mg g −1 . Most studies on coir have explored its potential use as potting media and soil-less substrate for growing plants [75][76][77][78][79]. Hongpakdee and Ruamrungsri (2015) [75] studied water use efficiencies of potted marigold following coir amendments and showed a reduction in NO 3 − and PO 4 3− leaching in pots amended with coir at 75% by volume.…”

Section: Discussionmentioning

confidence: 99%

Efficacy of Spent Lime as a Soil Amendment for Nutrient Retention in Bioretention Green Stormwater Infrastructure

Shrestha

Salzl

Jimenez

et al. 2019

Water

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The composition of bioretention soil media (BSM) is among the most critical design attributes contributing to the water quality performance of bioretention systems, as various amendments may increase the capacity for chemical sorption of certain nutrient pollutants. We investigated the spent lime (a calcium-based water treatment residual) as BSM amendments for nutrient retention. The study was conducted in two parts: the first was a field-based mesocosm experiment in which we assessed the effect of spent lime amendments on leachate nutrient concentration for treatments receiving different levels of phosphorus and nitrogen loading (simulated by different levels of compost added to the substrate). The second was a laboratory study comparing various levels of spent lime and coir on leachate nutrient concentration at two different simulated loading rates. Effluent water was collected and analyzed for PO43−, NH4+ and NO3− concentrations in the field and lab. Spent lime significantly reduced leachate PO43− concentrations (upwards of 50%) in both the field and lab mesocosm studies compared to treatments without spent lime. Reductions in NH4+ concentrations were also observed due to spent lime but with variable significance across the different compost levels, whereas NO3− concentrations were higher in plots with spent lime than plots without spent lime. In the lab, columns with coir had significantly higher leachate PO43− concentrations compared to spent lime-treated columns, however, leachate NH4+ and NO3− concentrations did not significantly differ between treatments at the same compost levels. This study shows that spent lime, which is a waste product, is effective in significantly reducing leachate PO43− concentrations from BSM, while be a cost-effective substitute to engineered proprietary media that is expensive to acquire; however, future studies must also evaluate its potential for clogging.

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“…The Jarvis model was widely used for surficial processes and biogeochemical (Guyot et al, 2017;Whitley et al, 2009;Ye and Yu, 2009;Yu et al, 2017). Both models are used to investigate the impact of different environmental conditions on plant photosynthesis caused by different environment status (Hongpakdee and Ruamrungsri, 2015;Hoshika et al, 2017;Ma et al, 2011). However, both of them are based on empirical or semi-empirical formulae; moreover, some aspects of the formulae have ambiguous biological meaning.…”

Section: Modelling Of Stomatal Conductancementioning

confidence: 99%

The impact of floating dust on net photosynthetic rate of Populus euphratica in early spring, at Zepu, northwestern China

Xue

Shen

Wei

et al. 2017

Preprint

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Floating dust weather is an annual natural phenomenon in early spring in south of Xinjiang UygurAutonomous Region, northwestern China. Floating dust in air can influence human health and plant growth. Populus euphratica is a rare tree species which can grow in hot and dry conditions. Some investigations have evaluated the effect of floating dust on plants by means of artificial dust to which simulates the natural sand and dust, but the mechanism by which plants respond to sand is poorly understood. The investigation presented in this paper focused on a comparison of the variation in net photosynthetic rate (P n ) before and during floating dust weather, to elucidate the mechanisms involved.Stomatal conductance (g s ) and P n appeared to increase during floating dust weather;in contrast, stomatal limitation (L s ) and non-stomatal limitation (L ns ) decreased with photosynthetic active radiation in the range 500 to 2000 μmol m −2 s −1 ,which is optimum for plant growth. Aerosol ions, including potassium, dissolved in water collected by foliar structures or tender stems, may come into contact with intercellular stroma and improve chloroplast activity or ribulose-1,5-bisphosphate carboxylase/ oxygenase (Rubisco) levels, such as potassium, thereby influencing L s and L ns . Moreover, potassium, phosphorus, nitrogen and sodium in aerosols appeared to increase P n , and this may be due to nutrient compounds in aerosols, which may have a similar effect to spraying fertilizer on leaves. In addition, the high relative humidity and carbon dioxide concentration in air during floating dust weather may facilitate an increase in P n . AbstractFloating dust weather is an annual natural phenomenon in early spring in south of Xinjiang Uygur Autonomous Region, northwestern China. Floating dust in air can influence human health and plant growth. Populus euphratica is a rare tree species which can grow in hot and dry conditions. Some investigations have evaluated the effect of floating dust on plants by means of artificial dust to which simulates the natural sand and dust, but the mechanism by which plants respond to sand is poorly understood. The investigation presented in this paper focused on a comparison of the variation in net photosynthetic rate (Pn) before and during floating dust weather, to elucidate the mechanisms involved. Stomatal conductance (gs) and Pn appeared to increase during floating dust weather; in contrast, stomatal limitation (Ls) and non-stomatal limitation (Lns) decreased with photosynthetic active radiation in the range 500 to 2000 μmol m −2 s −1 ,which is optimum for plant growth. Aerosol ions, including potassium, dissolved in water collected by foliar structures or tender stems, may come into contact with intercellular stroma and improve chloroplast activity or ribulose-1,5-bisphosphate carboxylase/ oxygenase (Rubisco) levels, such as potassium, thereby influencing Ls and Lns. Moreover, potassium, phosphorus, nitrogen and sodium in aerosols appeared to increase Pn, and this may be due to nutrient compo...

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Water use efficiency, nutrient leaching, and growth in potted marigolds affected by coconut coir dust amended in substrate media

Cited by 16 publications

References 18 publications

The influence of substrate type and chlormequat on the growth and flowering of marigold (Tagetes L.)

The influence of substrate type and chlormequat on the growth and flowering of marigold (Tagetes L.)

Efficacy of Spent Lime as a Soil Amendment for Nutrient Retention in Bioretention Green Stormwater Infrastructure

The impact of floating dust on net photosynthetic rate of Populus euphratica in early spring, at Zepu, northwestern China

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