Study of fat compost from dairy industry wastewater as a new substrate for pepper (Capsicum annuum L.) crop

Fiasconaro, M.; Antolín, M. Carmen; Lovato, Maria Eugenia; Gervasio, Susana Graciela; Martín, Carlos Alberto

doi:10.1016/j.scienta.2015.07.038

Cited by 12 publications

(8 citation statements)

References 53 publications

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“…The analyses were made in plant tissues with both edible and higher concentrations of Zn. These results were also observed by Smith 37 and Fiasconaro et al 35 , who explained that Zn is easily transferred between tissues and usually has higher concentrations in sludge than other substrates. On the other hand, copper tends to be strongly absorbed by the soil, and its absorption by plants is regulated more effectively than that of Zn 38 ; thus, the Cu concentrations in the plant and fruit are generally smaller.…”

Section: Discussionsupporting

confidence: 82%

“…The concentration of metals in plant tissues and fruits is of great interest, while some microelements, such as iron, copper, cobalt or manganese, have positive effects for humans, and high concentrations of arsenic, cadmium, lead and zinc can be dangerous to health. Therefore, the content of metals in fruits can be an indicator of the level of contamination in the soil in which they were grown 35 , 36 since a proportional relationship between the increase in the extractable concentrations of Zn and Cu and the increase in their concentrations in plant tissues has been described 35 .The contents of metal ions in the different inedible parts of the strawberry (stem and leaves) were below the legal limits. Only in the root were Zn, Cu, Ni, Cr, Cd and Pb values exceeded 24 , 25 .…”

Section: Discussionmentioning

confidence: 99%

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Potential of dredged bioremediated marine sediment for strawberry cultivation

Martínez-Nicolás

Legua

Núñez-Gómez

et al. 2020

Sci Rep

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For the maintenance of the economic activity of the ports, it is necessary to dredge the marine sediments in order to guarantee their depth. These sediments, considered by European legislation as residues, present relevant limitations of use and generate environmental and economic problems concerning their final disposal. In this context, the present work aims to identify the phytoremediated dredged sediments potential as an alternative to the traditional substrate (peat) in horticultural growing through two-years controlled strawberry cultivation. The growing media mixes used were: (1) 100% peat (Pt) as a control substrate; (2) 100% dredged remediated sediment (DRS); (3) 50% each (Pt-DRS). The dredged sediment, plant drainage and strawberry plant parts (leaves, stems, roots, and fruits) were analyzed to mineral elements, heavy metal contents, and pesticide residues (polycyclic aromatic hydrocarbons, polychlorinated biphenyls and specific fumigants) during the experimental period. Only seven (Mn, Fe, Zn, Mo, Al, Mn and Ni) of the twenty-two metals and two (nitrates and fluorene) of the six hundred-thirteen pesticides analyzed were detected in the strawberry fruits. In all the cases, values detected were under the Spanish and European legal limit. The suitability of strawberry fruits for fresh and/or processed consumption with no risk was confirmed. Based on the results, can be affirmed that the dredged remediated sediment can be used as a culture substrate, alone or mixed with other substrates. Additional researches should be carried out to confirm the sediment characteristics and compare with other substrates to improve the physical and chemical properties.

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Section: Discussionsupporting

confidence: 82%

Section: Discussionmentioning

confidence: 99%

Potential of dredged bioremediated marine sediment for strawberry cultivation

Martínez-Nicolás

Legua

Núñez-Gómez

et al. 2020

Sci Rep

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show abstract

“…Zinc is one of the metals that in the present study appeared in high concentrations in plant tissues (edible and non-edible), as was observed by Smith [42] and Fiasconaro et al [40]. These authors explained that this occurred because Zn is relatively labile, thus it is easily transferred between tissues, and is usually found in greater concentrations in sludge as opposed to other substrates.…”

Section: Discussionsupporting

confidence: 80%

“…It is necessary to know the concentration of heavy metals and minerals in plant material because of their potential toxicity and risks to human health. In this sense, the content of metals in fruits could be an indicator of the contamination level of the soil where the plants were grown [39,40]; therefore, there is a proportional relationship between the increase in the concentrations of extractable Zn and Cu and the increase of their concentrations in plant tissues [41].…”

Section: Discussionmentioning

confidence: 99%

Effect of Phytoremediated Port Sediment as an Agricultural Medium for Pomegranate Cultivation: Mobility of Contaminants in the Plant

et al. 2021

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Although the dredging of ports is a necessary management activity, it generates immense quantities of sediments, that are defined by the European Union as residues. On the other hand, the relevant peat demand for plant cultivation compromises its availability worldwide. In this context, the present work wanted to find an alternative substrate in order to replace and/or reduce the use of peat in agriculture, through the study of the suitability, concerning the exchange of substrate–plant–water pollutants, of the dredged remediated sediments as a fruit-growing media. Forty-five pomegranate trees (Punica granatum L. cv “Purple Queen”) were cultivated in three types of substrates (100% peat as a control, 100% dredged remediated sediments and 50% both mixed). The metal ion content and pesticide residues were analysed in the different plant parts (root, stem, leaves and fruits) and in drainage water. The results showed a limited transfer of pollutants. All the pollutants were below the legal limits, confirming that the dredged sediments could be used as a growing media, alone or mixed with other substrates. Thus, the results point out the need to open a European debate on the reuse and reconsideration of this residue from a circular economy point of view.

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“…Some of these effects can be recognized in Table 3 and Table 4 where plants grown in selected-green compost showed lower tissue Na concentration while plants grown in the mixed-green compost showed lower Ca concentrations. Reduced Na uptake has been associated with the presence of compost in pot-grown plants (Fiasconaro et al 2015).…”

Section: Discussionmentioning

confidence: 99%

Heterogeneous response of two bedding plants to peat substitution by two green composts

Massa¹,

Prisa²,

Lazzereschi³

et al. 2018

Hort. Sci. (Prague)

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The promotion, at local level, of resource recycling chains, with low environmental impact and costs, appears of great interest for the production of green composts to replace peat in ornamental crops. In this work, two green composts, differing for the criterion of raw material selection for composting, were tested for the cultivation of two bedding plants in comparison with 100% peat based substrate. Leaf chlorophyll (SPAD index), biometric and growth parameters, and tissue mineral composition were measured to assess growing media-plant system performances. Both growing media and plants gave heterogeneous responses depending on substrate characteristics and plant requirements and/or tolerance to abiotic stress. Plant biomass was reduced by 63% (on average) in the most sensitive species due to the high Cl concentration detected in one of the two green composts; a similar trend was observed for SPAD index. The results support the shared idea that the selection of raw material is a strategy of primary importance in the composting process to obtain high quality green compost.

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Study of fat compost from dairy industry wastewater as a new substrate for pepper (Capsicum annuum L.) crop

Cited by 12 publications

References 53 publications

Potential of dredged bioremediated marine sediment for strawberry cultivation

Potential of dredged bioremediated marine sediment for strawberry cultivation

Effect of Phytoremediated Port Sediment as an Agricultural Medium for Pomegranate Cultivation: Mobility of Contaminants in the Plant

Heterogeneous response of two bedding plants to peat substitution by two green composts

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