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Andrea L. Medina-Holguín, Sandra Micheletto, F. Omar Holguín, Jaime Rodriguez, Mary A. O'Connell, and Charles Martin

/ha; at current prices of at least $18/kg, this is well over twice the rate of positive return needed for most small farms. Hayden (2006) has investigated the aeroponic production of A. californica and shown that although the concentration of essential

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Xin Zhao and Edward E. Carey

this study. The impact of root zone temperature on lettuce growth has been demonstrated using aeroponic systems. Lettuce with shoots exposed to high ambient temperatures grew successfully at cool root zone temperatures ( He and Lee, 1998 ). Tan et al

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Elisa Solis-Toapanta, Andrei Kirilenko, and Celina Gómez

; aeroponic systems are used less frequently (data not shown). Correspondingly, DWC, NFT, and ebb-and-flood systems are frequently recommended for hobbyist gardeners ( Jones, 2014 ; Resh, 2015 ), and closed-loop hydroponics in particular offer advantages when

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Andreas Westphal, Nicole L. Snyder, Lijuan Xing, and James J. Camberato

and increase disease resistance compared with noncolonized roots ( Linderman, 1988 ; Miller et al., 1986 ). Advances in aeroponics have overcome the obstacle that these obligate fungal endophytes cannot be grown axenically and commercial inocula are

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Alejandro R. Puerta, Suguru Sato, Yutaka Shinohara, and Toru Maruo

. 1979 The ABC of NFT Grower Books London Demšar, J. Osvald, J. Vodnik, D. 2004 The effect of light-dependent application of nitrate on the growth of aeroponically grown lettuce ( Lactuca sativa L.) J. Amer. Soc. Hort. Sci. 129 570 575 Economakis, C

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Cinthia Nájera and Miguel Urrestarazu

., 2004 ); and, more recently, in lettuce crops in greenhouses (e.g., Fallovo et al., 2009 ; Gent, 2014 ) and Brassica in aeroponics ( Fu et al., 2017 ; He et al., 2015 )—and all these plants obtained lower concentrations of nitrates with greater

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Giedrė Samuolienė, Akvilė Urbonavičiūtė, Pavelas Duchovskis, Zenonas Bliznikas, Pranciškus Vitta, and Artūras Žukauskas

825 860 Demšar, J. Osvald, J. Vodnik, D. 2004 The effect of light-dependent application of nitrate on the growth of aeroponically grown lettuce ( Lactuca sativa L.) J. Amer. Soc. Hort. Sci. 129 570 575

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Jonathan M. Frantz

mathematical function for crop growth based on light interception and leaf area expansion Ann. Bot. (Lond.) 66 695 701 Jie, H. Kong, L.S. 1998 Growth and photosynthetic responses of three aeroponically grown lettuce cultivars ( Latuca sativa L.) to different

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Michael P. Dzakovich, Celina Gómez, and Cary A. Mitchell

utilization for growing strawberries during long-duration space habitation Adv. Space Res. 46 735 743 Mattson, N.S. Harwood, E.D. 2012 Effect of light regimen on yield and flavonoid content of warehouse grown aeroponic Eruca sativa Acta Hort. 956 417 422 Moe

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Cinta Calvet, Amelia Camprubi, Ana Pérez-Hernández, and Paulo Emilio Lovato

and the most widely used technique for AM fungal inoculum production. It is useful for large-scale production that requires little technical support. The in vivo substrate-free system is based on hydroponics and aeroponics, but it has been limited to a