Undergraduate Sustainable Learning: Effects of Sustainable Soilless Media on Production and Sensory Evaluation of Cucumbers, Basil, Parsley, and Lettuce

Anderson, Neil O.; Annis, Joey; Buchholz, Mark; Cutting, Jared; Heuring, Eric; Jankila, Emily; McCrumb, Megan; Nelson, Nicole; Pehoski, Myra; Piepho, Karl; Price, Valerie; Russell, Victoria A.

doi:10.3390/su3091381

Cited by 5 publications

(5 citation statements)

References 23 publications

(30 reference statements)

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“…Plug conditions for germination followed the guidelines for basil plugs (Ball Seed Company, 2019). An intermittent mist system, at a mist frequency of 10 min intervals (mist nozzles, reverse osmosis water) during 06:00 a.m.–10:00 p.m. with a 7 s. Duration, was used for seed germination in a glass greenhouse (21/21°C, day/night, 16 hr; 06:00 a.m.–10:00 p.m.) with lighting at a minimum set point of 150 μmol/m 2 /s (Anderson et al, 2011). Once they reached the true leaf stage, seedlings at the same stage of development were transplanted into rockwool plugs for the aquaponic systems, whereas those in the germination mix were transplanted into a soilless medium.…”

Section: Methodsmentioning

confidence: 99%

Basil, Ocimum basilicum, yield in northern latitudinal aquaponic growing conditions

Abbey

Anderson

Yue

et al. 2021

J World Aquaculture Soc

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The need for yield research is increasing with the popularity of aquaponic food production systems where plants and fish are grown together in a recirculating system. Our objective was to compare the yield of three basil cultivars (“Elenora,” “Genovese,” “Nufar,” Ocimum basilicum) in four configurations (greenhouses: floating raft DWS, ebb & flow, A‐frame; warehouse: floating raft; 1–8 tank replications/treatment) as well as a soilless control to establish a baseline for aquaponic producers in northern latitudes. We also tested whether basil yield varied among fish types: yellow perch, Perca flavescens, goldfish, Carassius auratus, tilapia, Oreochromis spp., and koi, Cyprinus carpio. Fish tank water temperature, nitrite, and alkalinity levels differed significantly over seasons (summer, winter). There was a significant decrease in basil production in all aquaponic systems that used koi (greenhouse, warehouse). No significant difference in basil yield was found among greenhouse and aquaponic systems for perch, tilapia, or goldfish nor among the basil “Elenora,” “Genovese,” and “Nufar.” Considerable variation occurred in yield although most of it occurred in fresh weights, being reduced significantly in dry weights. The effects of growing koi fish on reducing aquaponic production of basil is noteworthy, although future research is needed to the exact cause.

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Section: Methodsmentioning

confidence: 99%

Basil, Ocimum basilicum, yield in northern latitudinal aquaponic growing conditions

Abbey

Anderson

Yue

et al. 2021

J World Aquaculture Soc

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“…When plants are infected by pathogenic and water-deficit stress, the degree of inhibition of root growth is much lower than that of aboveground growth. Therefore, limited assimilation is preferentially distributed to the root system, resulting in an increase in root-shoot ratio [21,39]. Leaf water status is severely affected by pathogenic and water-deficit stress at the cellular levels and encompasses disruptions in plant metabolism.…”

Section: Cucumber Plant Parametersmentioning

confidence: 99%

Effects of Nutrient Solution Irrigation Quantity and Downy Mildew Infection on Growth and Physiological Traits of Greenhouse Cucumber

Liu

et al. 2020

Agronomy

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Abiotic and biotic stresses both decrease the quality and quantity of cultivated plants. In this study, in order to see the responses of cucumber plants to drought stress and cucumber downy mildew infection, downy mildew infestation at different two levels, B1 (disease infestation) and B2 (no disease infestation), along with three fertigation requirement levels, full fertigation T1, moderate nutrient solution deficit T2 and severe nutrient solution deficit T3, were applied in a greenhouse. Thus, six treatments, i.e., B1T1, B1T2, B1T3, B2T1, B2T2 and B2T3, were set. The leaf gas-exchange parameters were significantly increased under CK (control experiment, B2T1: no disease infestation and full irrigation) treatment, and leaf photosynthesis rate, transpiration rate and stomatal conductance were significantly decreased under the B1T1 treatment. Leaf intercellular CO2 concentration was significantly increased under B1T1 treatment. Leaf photosynthesis rate, transpiration rate, intercellular CO2 concentration and stomatal conductance were significantly decreased under B1T2, B1T3, B2T2 and B2T3 treatments. Compared with treatment CK (B2T1), the plant height of cucumber under B1T1, B1T2, B1T3, B2T2 and B2T3 treatments decreased by 11.41%, 19.05%, 27.48%, 7.55% and 10.62%, respectively; the stem diameter of cucumber under B1T1, B1T2, B1T3, B2T2 and B2T3 treatments decreased by 5.70%, 13.45%, 23.03%, 9.46% and 15.74%, respectively; and leaf area of cucumber under B1T1, B1T2, B1T3, B2T2 and B2T3 treatments decreased by 22.79%, 38.68%, 58.28%, 13.76% and 29.96%, respectively. The root–shoot ratio of cucumber under B1T1, B1T2, B1T3, B2T1, B2T2 and B2T3 treatments was 3.16%, 2.99%, 4.11%, 3.92%, 3.13% and 3.63%, respectively. The root–shoot ratio of cucumber was the highest under the B1T3 treatment.

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“…Lettuce seeds were sown in 288-plug trays filled with a soilless media, pasteurized Berger BM2 Germination Mix (Berger Peat Moss, Saint-Modeste, Quebec, Canada) or in 3.81-cm-diameter cylinder Trock rockwool plugs (medium grade, 4CF, 30/PL; Therm-O-Rock East, Inc., New Eagle, PA). For seed germination, a mist system in a glass greenhouse was used (21/21°C, day/night, 16 h; 0600-2200 HR) lighting at a minimum setpoint of 150 mmol • m -2 • s -1 , a mist frequency of 10-min intervals (mist nozzles, reverse osmosis water) during 0600-2200 HR with a 7-s duration (Anderson et al, 2011). After seedlings were at the true leaf stage, the seedlings in rockwool plugs were transplanted into the aquaponic systems, whereas those in the germination mix were transplanted into a soilless medium.…”

Section: Genotypes Testedmentioning

confidence: 99%

Lettuce (Lactuca sativa) Production in Northern Latitudinal Aquaponic Growing Conditions

Abbey¹,

Anderson²,

Yue³

et al. 2019

horts

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Aquaponics, the combination of hydroponics and aquaculture into one growing system, is a controlled environment production system that potentially has increased environmental and consumer benefits over traditional production methods. There are many different ways to configure aquaponics systems that include different fish species, water circulation, lighting, plant species/density, and more. We tested three cultivars of lettuce, a common aquaponically produced crop, for yield in multiple aquaponic systems and conditions over a 13-month period in Minnesota. Four different aquaponic configurations and four types of fish were tested over the course of the experiment. There was no addition of supplemental nutrients to the systems to evaluate the differences between treatments and set a baseline. There was no difference in yield between lettuce produced aquaponically and those grown in soilless medium. However, there was a difference in yield between lettuce grown with different fish treatments. The tilapia treatment produced higher average yield than yellow perch. There was a difference between cultivars, with higher average yield from loose-leaf bunch cultivars (Salanova, Skyphos) than the bibb type (Rex). Average yield for all but one treatment was above that of reported commercial field production, making lettuce a competitive aquaponic crop in most systems.

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Undergraduate Sustainable Learning: Effects of Sustainable Soilless Media on Production and Sensory Evaluation of Cucumbers, Basil, Parsley, and Lettuce

Abstract: Modern greenhouse production has been ~100% reliant on fossil fuels for all inputs

Cited by 5 publications

References 23 publications

Basil, Ocimum basilicum, yield in northern latitudinal aquaponic growing conditions

Basil, Ocimum basilicum, yield in northern latitudinal aquaponic growing conditions

Effects of Nutrient Solution Irrigation Quantity and Downy Mildew Infection on Growth and Physiological Traits of Greenhouse Cucumber

Lettuce (Lactuca sativa) Production in Northern Latitudinal Aquaponic Growing Conditions

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