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Publication Date
Sat Apr 01 2023
Journal Name
Iop Conference Series: Earth And Environmental Science
Volume
1158
DOI
10.1088/1755-1315/1158/4/042042
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Scopus (4)
Articles
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Effect of Blue and Red LED Light and some Plant Extract on Lettuce Growth and Yield in NFT Technique
Biostimulators
Foliar application
NFT
Cymbopogon citratus
Hibiscus sabdariffa
Asteraceae.
Salman A.D.
W. A. Hussein
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Abstract<p>This experiment was carried out in the College of Agricultural Engineering Sciences, Univ. of Baghdad, during autumn 2021 growing season to investigate possibility study of increase lettuce antioxidant and biological yield, growing and producing lettuce hydroponically under film technique (NFT) using a globally approved standard solution (Cooper solution), Nested design with three replications adopted in the experiment, each of them included in main plot the first factor, which is LED light (B and R), Then levels of second factor were randomly distributed within each replicate, which included spraying with organic nutrients which was Cymbopogon citratus and Hibiscus sabdariffa at two concentrations 2.5 and 5 % for each of them, As well as control treatment T0, symbolized as T1, T2, T3, T4 respectively. The results showed R led light and T4 increase most parameters, B Led light treatment maximized lettuce quality parameters (chlorophyll, V.C., Total and Beta Carotene), T3 increase Total chlorophyll and Carotene T4 increased V.C. and Beta carotene, R led light and T4 increased yield.</p>
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