A model for water flow and nutrient uptake by horticultural crops grown in a soilless culture system

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Abstract

A model is proposed for the simulation of nutrient solution flow in a Nutrient Film Technique (NFT) system, and uptake by plants. The system is consisted of a channel with a thin layer of a porous material. The nutrient solution would be applied via dripping emitters, uniformly spaced along the channel, and drain to a reservoir. The solution would then be compensated for water and nutrients' losses, and re-pumped to the irrigation system. The model was tested against N and K uptake by growing lettuce (Lactuca sativa L.) plants. Uptake of the major nutrients and the effects of salinity buildup were simulated and discussed.

Original languageEnglish
Title of host publicationIII International Symposium on Applications of Modelling as an Innovative Technology in the Agri-Food Chain; MODEL-IT
PublisherInternational Society for Horticultural Science
Pages357-358
Number of pages2
ISBN (Print)9789066055186
DOIs
StatePublished - 1 Jan 2005

Publication series

NameActa Horticulturae
Volume674
ISSN (Print)0567-7572

ASJC Scopus subject areas

  • Horticulture

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