Effect of supplementary lighting on nutritional status of chrysanthemums grown in the period of natural light deficit
2004
Jerzy, M. (Akademia Rolnicza, Poznan (Poland). Katedra Roslin Ozdobnych) | Bres, W. (Akademia Rolnicza, Poznan (Poland). Katedra Nawozenia Roslin Ogrodniczych) | Pawlak, P. (Akademia Rolnicza, Poznan (Poland). Katedra Roslin Ozdobnych)
Three cultivars of pot chrysanthemums were used : Baton Rouge, Kodiak, and Springfield. During November and December, for 4 hours a day, only half of the plants were illminated with supplementary sodium lamp. Light intensity was 5000lx. The supplementary assimilation lighting significantly modified macro- and micronutritional status of chrysanthemums. The influence of supplementary lighting on the nutrients content in the leaves was greater in case of the macroelements than microelements
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