Hydroponic lettuce production in different concentrations and flow rates of nutrient solution
- 1 September 2012
- journal article
- Published by FapUNIFESP (SciELO) in Horticultura Brasileira
- Vol. 30 (3), 526-530
- https://doi.org/10.1590/s0102-05362012000300028
Abstract
The objective of this study was to evaluate the accumulation of fresh weight of hydroponic lettuce in terms of ionic concentrations and flow rates of nutrient solution. This work consisted of three experiments in NFT hydroponic system, conducted between July and September 2006. Lettuce cultivars Lucy Brown, Izabela and Veneza were grown in different ionic concentrations of the 100, 75 and 50% and flow rates of 1.50, 1.00 and 0.75 L min-1. Fresh weight gains were observed for Lucy Brown when grown on 100% of the ion concentration and a flow rate of nutrient solution of 1.0 L min-1. Greater fresh mass was observed for cvs. Izabela and Veneza under the flow rate of 1.5 L min-1. A general analysis of the data allows us to conclude that the application of nutrient solution at a flow rate of 1.5 L min-1, as well as 100% of the ionic concentration is effective to increase the fresh weight of the aerial part of cvs. Lucy Brown, Izabela and Veneza when grown in hydroponics.Keywords
This publication has 10 references indexed in Scilit:
- Influência da condutividade elétrica, concentração iônica e vazão de soluções nutritivas na produção de alface hidropônicaCiência E Agrotecnologia, 2008
- Efeito da concentração da solução nutritiva no crescimento da alface em cultivo hidropônico-sistema NFTHorticultura Brasileira, 2008
- Produção hidropônica de alface em solução nutritiva com e sem silícioHorticultura Brasileira, 2006
- Reposição de nutrientes em solução nutritiva para o cultivo hidropônico de alfaceCiência Rural, 2004
- Produtividade, acúmulo de nitrato e estado nutricional de cultivares de alface, em hidroponia, em função de fontes de nutrientesAdvances in Rheumatology, 2002
- Condutividade elétrica da solução nutritiva e produção de alface em hidroponiaScientia Agricola, 2001
- Desempenho de soluções nutritivas e cultivares de alface em hidroponiaAdvances in Rheumatology, 2001
- LETTUCE YIELD RESPONSE TO SALINITY OF SPRINKLE IRRIGATION WATERActa Horticulturae, 1997
- Growth, nutrient uptake and tipburn severity of hydroponic lettuce in response to electrical conductivity and K:Ca ratio in solutionAustralian Journal of Agricultural Research, 1994
- Effects of Dissolved Oxygen Concentrations in Aero-hydroponics on the Formation and Growth of Adventitious RootsJournal of the American Society for Horticultural Science, 1988