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ISHS Acta Horticulturae 607: IX International Symposium on Timing of Field Production in Vegetable Crops

PRODUCTION AND EVALUATION OF LETTUCE SEEDLINGS AND PLANTS IN HYDROPONIC FLOATING SYSTEM

Authors:   L.T. Braz, G.V.G. Grilli, R.I. Hamasaki, G.M. Santos
Keywords:   Lactuca sativa, substrate, seedling
Abstract:
The investigation was conducted under greenhouse conditions at UNESP, Brazil, to evaluate the effects of the commercial substrates Plantmax and Sunshine and its mixtures with charred rice hulls, and the effects of floating and conventional seedling production systems in lettuce cultivation. The experiment was a randomized block experimental design, in 4 x 4 factorial treatment arrangement with two replications. Seedlings produced in the floating system were more precocious in relation to the conventional system. From transplant to harvest, the seedling production systems had similar mean time of production.
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