Effect of wastewater from a pikeperch (Sander lucioperca L.) recirculated aquaculture system on hydroponic tomato production and quality

Delaide, Boris; Teerlinck, Stefan; Decombel, An; Bleyaert, Peter

doi:10.1016/j.agwat.2019.105814

Cited by 30 publications

(18 citation statements)

References 22 publications

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“…For tomatoes, such an observation was not made so far. However, there is an indication that blossomend rot might occur less under aquaponic conditions (Delaide et al 2019b;Schmautz et al 2016). Consequently, this paper showed that loop optimization measures are necessary in order to achieve higher nutrient and water use efficiency and promote sustainable ecological and economic development.…”

Section: Discussionmentioning

confidence: 96%

Improving nutrient and water use efficiencies in multi-loop aquaponics systems

Goddek¹,

Keesman²

2020

Aquacult Int

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The sustainable development of agricultural systems where nutrients and water are recycled to a high degree is of enormous importance. Traditional aquaponics, where fish and plants are cultivated in one recirculating system, addresses these ecological challenges, but still struggles with its economical feasibility. Decoupled multi-loop aquaponics systems, in which the aquaculture and hydroponics subsystems are running autonomously, proved that they can keep up with the productivity of state-of-the-art hydroponics systems or even outscore them. Yet, a problem of such decoupled aquaponics systems was that plants require a high nutrient concentration, whereas fish prefer rather a clean water. In practice, the opposite is happening as the nutrients are added to the aquaculture units through the feed. This paper optimizes a recent approach showing that desalination technologies, such as reverse osmosis, can play an important role in reversing the concentrations within such systems without killing beneficial plant growth–promoting rhizobacteria thermally. The proposed integrated systems approach has the potential to make both periodical nutrient and water discharges and excessive fertilizer supplementation obsolete that would otherwise be necessary to maintain good water quality for the fish and an optimal nutrient solution for the plants.

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Section: Discussionmentioning

confidence: 96%

Improving nutrient and water use efficiencies in multi-loop aquaponics systems

Goddek¹,

Keesman²

2020

Aquacult Int

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“…Dissolved organic material can also be present in PP, which is released by the physicochemical degradation of the fish feed and the fish excretions, or by microorganisms [43,44]. Past investigations have reported the potentially growth-promoting effects of such substances for higher plants [45,46]. These results imply that there could be bio-stimulating effects within the wastewater media, giving waste valorisation an added productivity value.…”

Section: Duckweed Productivitymentioning

confidence: 99%

“…In addition to nutrient uptake, a duckweed system also removes nutrients by other processes. For example, microbial conversion is the dominant pathway of N removal, and sedimentation for P removal [44,45]. Indeed, for SM, PM, and PP, N uptake contributed on average 51, 27 and 26% to the N removal, while P uptake contributed 88, 17, and 31% to the total P removal, respectively.…”

Section: Environmental Performancementioning

confidence: 99%

Agronomic and Environmental Performance of Lemnaminor Cultivated on Agricultural Wastewater Streams—A Practical Approach

et al. 2021

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This study investigated the potential of Lemna minor to valorise agricultural wastewater in protein-rich feed material in order to meet the growing demand for animal feed protein and reduce the excess of nutrients in certain European regions. For this purpose, three pilot-scale systems were monitored for 175 days under outdoor conditions in Flanders. The systems were fed with the effluent of aquaculture (pikeperch production—PP), a mixture of diluted pig manure wastewater (PM), and a synthetic medium (SM). PM showed the highest productivity (6.1 ± 2.5 g DW m−2 d−1) and N uptake (327 ± 107 mg N m−2 d−1). PP yielded a similar productivity and both wastewaters resulted in higher productivities than SM. Furthermore, all media showed similar P uptake rates (65–70 P m−2 d−1). Finally, duckweed had a beneficial amino acid composition for humans (essential amino acid index = 1.1), broilers and pigs. This study also showed that the growing medium had more influence on the productivity of duckweed than on its amino acid composition or protein content, with the latter being only slightly affected by the different media studied. Overall, these results demonstrate that duckweed can effectively remove nutrients from agriculture wastewaters while producing quality protein.

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“…There is no doubt that the data obtained will make a significant contribution to the development of the country's economy. In recent years, the study of the biological properties of fish and, consequently, the increase in their production has become increasingly important [3,5].…”

Section: Introductionmentioning

confidence: 99%

“…In addition to local populations, it was brought from the Ural River in 1963 to the Syrdarya, Amudarya, as well as the Zarafshan River and Kashkadarya water basins. Currently, it is found in all plains of Uzbekistan, formerly also in the Aral Sea [5,7].…”

Section: Introductionmentioning

confidence: 99%

Analysis of age and growth indicators of white sla fish (Sander luciperca) in Tuzkon lake (Aydar-Arnasay Lake System), Uzbekistan

et al. 2021

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This article provides information on the growth of pike perch (Sander lucioperca) of Lake Tuzkon, which is part of the Aydar-Arnasay system of lakes. As a result of the research carried out, the age composition of the catches was determined: at the age of 1+ - 16.5%; 2+ - 38.5%; 3+ - 17.5%; 4+ - 12%; 5+ - 7.6% and 6+ - 8.0%. It was determined that pike perch in the first year of life grows to an average of 26.40 cm, in the second year - up to 44.45 cm, in the third - up to 53.35 cm, in the fourth - up to 67.37 cm, in the fifth and sixth years, respectively - up to 70.39 and 76.20 cm.

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Effect of wastewater from a pikeperch (Sander lucioperca L.) recirculated aquaculture system on hydroponic tomato production and quality

Cited by 30 publications

References 22 publications

Improving nutrient and water use efficiencies in multi-loop aquaponics systems

Improving nutrient and water use efficiencies in multi-loop aquaponics systems

Agronomic and Environmental Performance of Lemnaminor Cultivated on Agricultural Wastewater Streams—A Practical Approach

Analysis of age and growth indicators of white sla fish (Sander luciperca) in Tuzkon lake (Aydar-Arnasay Lake System), Uzbekistan

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