Effects of different stocking densities on growth performance of Asian swamp eel Monopterus albus, water quality and plant growth of watercress Nasturtium officinale in an aquaponic recirculating system

Ni, Hua; Tai, Nguyen Tan; Liêm, Phạm Thanh; Út, Vũ Ngọc; Ako, Harry

doi:10.1016/j.aquaculture.2018.12.067

Cited by 29 publications

(10 citation statements)

References 13 publications

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“…Likewise, watercress also exhibited values close to those obtained in other studies with raft aquaponics, e.g. Nhan et al (2019) at the density of 180 plants/m 2 (final biomass of 0.460 kg of watercress/m 2 ).…”

Section: Journal Of Agricultural Studiessupporting

confidence: 88%

Performance of Nile Tilapia and vegetables Grown in Different Aquaponic Volumes

Barbosa¹,

Povh

Silva

et al. 2020

JAS

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The objective of this study was to evaluate the performance of Nile tilapia and the lettuce, watercress, and arugula vegetables in a gravel-bed aquaponic system using the aerated fish tank-to-vegetable growing bed volume ratios of 1:1 and 1:2. Each experimental unit consisted of an aquaponic module composed of two containers: one to allocate the vegetables (500-L tank with gravel, measuring 2 m2) and another to stock fish at the ratios of 1:1 (500-L vegetable:500-L fish tank) and 1:2 (500-L vegetable tank:1000-Lfish tank). The experiment was laid out in a randomized-block design with two treatments (500-L fish tank × 1000-L fish tank) and three blocks (periods). The performance of the Nile tilapia and of the vegetables did not differ significantly in response to the increasing fish tank volume, with the fish and the vegetables exhibiting good performance results in both volume ratios. In conclusion, in aquaponics, the fish tank-to-vegetable tank volume ratios of 1:1 and 1:2 are equally effective for the production of Nile tilapia and the lettuce, watercress and arugula vegetables.

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Section: Journal Of Agricultural Studiessupporting

confidence: 88%

Performance of Nile Tilapia and vegetables Grown in Different Aquaponic Volumes

Barbosa¹,

Povh

Silva

et al. 2020

JAS

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“…Watercress is in high demand and has a high economic value in urban areas, which makes it a very suitable crop for commercial or small scale farming. The demand for watercress is greater than the amount that business can supply to the market [5].…”

Section: Introductionmentioning

confidence: 99%

“…Among the most economical plant species that can grow in the aquaponic systems are leafy greens such as basil, spinach, chives, mint, and watercress [5]. Watercress (Nasturtium officinale) is an aquatic, perennial herb consumed by humans as a salad green and medicinal herb.…”

Section: Introductionmentioning

confidence: 99%

Nutrient Removal Efficiency and Growth of Watercress (Nasturtium officinale) under Different Harvesting Regimes in Integrated Recirculating Aquaponic Systems for Rearing Common Carp (Cyprinus carpio L.)

Irhayyim

Fehér

Lelesz

et al. 2020

Water

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The harvesting of plant biomass is usually implemented as an effective tool for plant management and removing the nutrients absorbed in plant tissues. Here, the influence of harvesting different biomasses (50%, 33%, 25%, and 0% (no harvest)) of watercress (Nasturtium officinale) was investigated in integrated recirculating aquaponic systems (IRASs) for rearing common carp (Cyprinus carpio). Twelve independent IRASs were designed (4 × 3); each system consisted of a fish rearing tank, a waste collection tank, and a hydroponic bed. Water quality parameters and the growth of both fish and plants were measured in all the systems, and then the nutrient removal capacities of the hydroponic beds were calculated. The results revealed that increasing the biweekly harvested biomass of the plants decreased the growth of the watercress, while it did not affect the growth of the common carp. Increasing the harvested biomass of the plants also decreased the nitrate nitrogen and orthophosphate removal efficiencies of the aquaponic systems, while it did not affect the ammonia and nitrite nitrogen removal efficiencies. Therefore, a biweekly harvesting of less than 25% of the biomass of the growing watercress is recommended for efficient nutrient removal and the sustainable growth of both watercress and the common carp in aquaponic systems.

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“…Measurement of TAN, nitrite, nitrate, and orthophosphate was carried out using a spectrophotometer referring to Rice et al (2017). The following measures were taken: survival rate (SR), total feed consumption, specific growth rate (SGR), absolute length (Al), and feed conversion ratio (FCR) to determine the growth performance of catfish (Liu et al, 2016;Nhan et al, 2019) using Equation (1) to Equation (4): The calculation of nutrient removal was carried out every 7 d, such as TAN, NO 3 , NO 2 and PO 4 (Enduta et al, 2011). The water plant parameters, including wet biomass, were measured at the beginning and end of the experiment.…”

Section: Measurementsmentioning

confidence: 99%

Evaluation of Efficiency of Echinodorus palaefolius (J.F. Macbr.) Involved in the Clarias gariepinus (Burchell, 1822) Culture for Water Quality Recovery and Fish Growth Support

2021

JJBS

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Intensive catfish [Clarias gariepinus (Burchell, 1822)] cultivation produces organic waste that decreases water quality. The aquaponics system utilizes fish waste for plant growth to produce useful and economical products. This study aims to analyze and evaluate the best density of Mexican sword plant/water Jasmine [Echinodorus palaefolius (J. F. Macbr.)] in reducing waste from intensive catfish aquaculture. The research method used a completely randomized design (CRD) with four treatments with three replications. A plastic tub with a size of 38 cm × 12 cm × 30 cm filled with sand was used for plant media, while for catfish rearing containers, a 70 L tub with a water volume of 40 L was used. The fish used in this experiment were catfish fry with a size of 7 cm ± 0.8 cm, a weight of 5.14 g ± 0.45 g, with a stocking density of one fry per liter. Catfish fry were fed with floating pellet feed of 30 % protein content, and the feeding was done at satiation. The treatments were T1 = without plants, T2 = 150 g m -2 plants, T3 = 250 g m -2 plants, and T4 = 350 g m -2 plants. Furthermore, all data were analyzed through ANOVA (One-way analysis of variance) and the Duncan's multiple range test to measure significant variations among the treatments using SPSS (version 17, USA). The results revealed that T4 was the best treatment in terms of nutrient removal efficiency of TAN, NO 2 , NO 3, and PO 4 at the rate of 23.80 %, 48.19 %, 52.99 % and 26.11 %, respectively. Moreover, growth performances of fish fry fed diet in T4 also were significantly (P < 0.05) higher than other fishes of different treatments. Regarding these findings, E. palaefolius could work well to maintain water quality during C. gariepinus cultivation and even accelerated C. gariepinus growth at the end of the period.

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Effects of different stocking densities on growth performance of Asian swamp eel Monopterus albus, water quality and plant growth of watercress Nasturtium officinale in an aquaponic recirculating system

Cited by 29 publications

References 13 publications

Performance of Nile Tilapia and vegetables Grown in Different Aquaponic Volumes

Performance of Nile Tilapia and vegetables Grown in Different Aquaponic Volumes

Nutrient Removal Efficiency and Growth of Watercress (Nasturtium officinale) under Different Harvesting Regimes in Integrated Recirculating Aquaponic Systems for Rearing Common Carp (Cyprinus carpio L.)

Evaluation of Efficiency of Echinodorus palaefolius (J.F. Macbr.) Involved in the Clarias gariepinus (Burchell, 1822) Culture for Water Quality Recovery and Fish Growth Support

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