Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 320474
Title Evaluating irrigation scheduling of hydroponic tomato in Navarra, Spain
Author(s) Lizarraga, H.J.; Boesveld, H.; Huibers, F.P.; Robles, H.
Source Irrigation and Drainage 52 (2003)2. - ISSN 1531-0353 - p. 177 - 188.
DOI https://doi.org/10.1002/ird.86
Department(s) Irrigation and Water Engineering
WIMEK
Publication type Refereed Article in a scientific journal
Publication year 2003
Keyword(s) tomaten - hydrocultuur - watervoorziening - irrigatiewater-toedieningsschema - spanje - tomatoes - hydroponics - water supply - irrigation scheduling - spain - transpiration - model - greenhouses - climate
Categories Irrigation
Abstract The correct supply of water and nutrients is important in hydroponic growing systems in order to use water efficiently, avoid stress situations, and control production. The present study was conducted to evaluate two irrigation scheduling techniques for hydroponic tomato production in Navarra, northern Spain, related to the crop water requirements. The results show that although daily over-irrigation was applied (45.7% of drainage), 18% of the total yield (35 kg m(-2)) was affected by blossom-end rot problems, due to water stress suffered by the crop. Irrigation scheduling by time clock was not flexible enough to satisfy the varying crop water requirements through the day and during the season. With constant irrigation intervals and volumes, water and fertilisers were wasted during the morning (excessive irrigation) whereas during the afternoon, the plants suffered water stress. Irrigation scheduling by radiation method at a level of 0.81 MJ m(-2), with some supplementary time clock irrigation applications during the hours of darkness (in order to keep the growing medium wet), appeared to be a good solution. Copyright (C) 2003 John Wiley Sons, Ltd.
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