Effects of different LED light and nitrogen application on growth of lettuce plants and leaf nitrate content    
Yazarlar (2)
Prof. Dr. Sezer ŞAHİN Tokat Gaziosmanpaşa Üniversitesi, Türkiye
Sevgi Dincer Seckin
Makale Türü Özgün Makale
Makale Alt Türü SSCI, AHCI, SCI, SCI-Exp dergilerinde yayınlanan tam makale
Dergi Adı JOURNAL OF PLANT NUTRITION
Dergi ISSN 0190-4167 Wos Dergi Scopus Dergi
Dergi Tarandığı Indeksler SCI-Expanded
Dergi Grubu Q2
Makale Dili Türkçe
Basım Tarihi 01-2022
DOI Numarası 10.1080/01904167.2022.2064292
Makale Linki https://www.tandfonline.com/doi/full/10.1080/01904167.2022.2064292
Özet
Leaf nitrate contents of vegetables and other plants vary. The quantity of light and nitrogen in the environment is one of the most important factors affecting the nitrate metabolism of plant leaves. For this reason, 3 different doses of nitrogen (50, 100 and 150 ppm) were applied to the lettuce plant grown in soilless culture in the greenhouse during the spring period and light-emitting diode (LED) lights (red, purple, blue, and yellow and their combinations) were applied on the plant. Light applications were operated in the automatic system between 8 am and 24 pm. The light intensity on the plant was measured with a light meter at 10 a.m. and 3 p.m. The effects of applications of different LED lights and nitrogen doses on the marketable plant head weight, plant diameter, and chlorophyll ratio of the lettuce plant were found to be statistically significant, but its effect on Brix-Water Soluble Dry Matter (WSDM), pH, and …
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