Original research article
Comparison of Transpiration Models in Tomato Soilless Culture
2007, 72 (2) p. 113-116
Gabrijel Ondrašek, Davor Romić, Josip Borošić, Marija Romić, Ivo Stričević
Abstract
A two-year greenhouse study was performed to determine the possibility of estimating the transpiration rate in hydroponically grown tomato on the basis of climate parameters. Transpiration rate, determined by the water balance method on different substrates, was compared to the transpiration rate calculated using the Penman Monteith equation. Regression analysis of the comparison of two different approaches to water consumption determination confirmed that the transpiration rate of greenhouse grown tomato for the studied area can be estimated with high accuracy (R2 > 0.95).
Keywords
Penman-Monteith equation, water balance method, hydroponic substrates
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