Article (Scientific journals)
Simulation of Crop Growth and Water-Saving Irrigation Scenarios for Lettuce: A Monsoon-Climate Case Study in Kampong Chhnang, Cambodia
Ket, Pinnara; Garré, Sarah; Oeurng, Chantha et al.
2018In Water, 10 (5), p. 666
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Keywords :
crop growth; lettuce; AquaCrop; water saving; water productivity; deficit irrigation
Abstract :
[en] Setting up water-saving irrigation strategies is a major challenge farmers face, in order to adapt to climate change and to improve water-use efficiency in crop productions. Currently, the production of vegetables, such as lettuce, poses a greater challenge in managing effective water irrigation, due to their sensitivity to water shortage. Crop growth models, such as AquaCrop, play an important role in exploring and providing effective irrigation strategies under various environmental conditions. The objectives of this study were (i) to parameterise the AquaCrop model for lettuce (Lactuca sativa var. crispa L.) using data from farmers’ fields in Cambodia, and (ii) to assess the impact of two distinct full and deficit irrigation scenarios in silico, using AquaCrop, under two contrasting soil types in the Cambodian climate. Field observations of biomass and canopy cover during the growing season of 2017 were used to adjust the crop growth parameters of the model. The results confirmed the ability of AquaCrop to correctly simulate lettuce growth. The irrigation scenario analysis suggested that deficit irrigation is a “silver bullet” water saving strategy that can save 20–60% of water compared to full irrigation scenarios in the conditions of this study.
Disciplines :
Agriculture & agronomy
Author, co-author :
Ket, Pinnara ;  Université de Liège - ULiège > Ingénierie des biosystèmes (Biose) > Echanges Eau-Sol-Plantes > Form. doct. sc. agro. & ingé. biol. (paysage)
Garré, Sarah  ;  Université de Liège - ULiège > Ingénierie des biosystèmes (Biose) > Echanges Eau-Sol-Plantes
Oeurng, Chantha;  Institute of Technology of Cambodia > Faculty of Hydrology and Water Resources Engineering
Hok, Lyda;  Royal University of Agriculture > Faculty of Agronomy, Department of Soil Science
Degré, Aurore  ;  Université de Liège - ULiège > Ingénierie des biosystèmes (Biose) > Echanges Eau-Sol-Plantes
Language :
English
Title :
Simulation of Crop Growth and Water-Saving Irrigation Scenarios for Lettuce: A Monsoon-Climate Case Study in Kampong Chhnang, Cambodia
Publication date :
21 May 2018
Journal title :
Water
eISSN :
2073-4441
Publisher :
MDPI, Basel, Switzerland
Special issue title :
Water Management for Sustainable Food Production
Volume :
10
Issue :
5
Pages :
666
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
ARES CCD - Académie de Recherche et d'Enseignement Supérieur. Coopération au Développement [BE]
Available on ORBi :
since 22 December 2020

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