Black Soldier Fly (Hermetia illucens) Frass on Sweet-Potato (Ipomea batatas) Slip Production with Aquaponics

Nutrient supplementations are often added to aquaponic systems to optimize plant production, and black soldier fly larvae frass is a promising organic fertilizer. However, the mineral composition of the frass is substantially influenced by the initial substrate. In an 8-week study, sweetpotato slips...

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Bibliographic Details
Published in:Horticulturae 2023-10, Vol.9 (10), p.1088
Main Authors: Romano, Nicholas, Webster, Carl, Datta, Surjya Narayan, Pande, Gde Sasmita Julyantoro, Fischer, Hayden, Sinha, Amit Kumar, Huskey, George, Rawles, Steven D., Francis, Shaun
Format: Article
Language:English
Subjects:
Aquaponics
black soldier fly larvae
Composition
Dietary minerals
Dietary supplements
Farmers
Fertilizers
Fish diets
Food
Fruits
Hermetia illucens
insect frass
Ipomoea batatas
Iron
Larvae
Mineral composition
Nitrogen
Nutrient deficiency
organic fertilizer
Organic fertilizers
Plant production
Potassium
Potatoes
Proteins
Substrates
Sweet potatoes
sweetpotato slips
Tilapia
Water quality
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Summary:Nutrient supplementations are often added to aquaponic systems to optimize plant production, and black soldier fly larvae frass is a promising organic fertilizer. However, the mineral composition of the frass is substantially influenced by the initial substrate. In an 8-week study, sweetpotato slips were cultured at commercial stocking densities in an aquaponic system which received weekly additions of either BSFL frass made from high-nitrogen expired fish diets or low-nitrogen fruits/vegetables. The sweetpotato slips (≥8 nodes) were harvested weekly. Despite differences in the mineral composition between the frass types, the water quality as well as slip production/sugar content were unaffected by frass type. The results indicate that a wide array of substrates may be suitable for producing black soldier fly larvae frass as a fertilizer in aquaponic systems. Lastly, aquaponics is a viable system to commercially produce sweetpotato slips.
ISSN:2311-7524
2311-7524
DOI:10.3390/horticulturae9101088