Water Saving Using Thermal Imagery-Based Thresholds for Timing Irrigation in Potatoes under Drip and Furrow Irrigation Systems

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dc.creatorRinza, Javier
dc.creatorQuiroz, Roberto
dc.creatory 4 autores más
dc.date2022-12-15T16:41:29Z
dc.date2022-12-15T16:41:29Z
dc.date2022
dc.date.accessioned2026-06-09T02:27:30Z
dc.descriptionUnder the current water crisis in agriculture, irrigation methods for saving and conserving water are necessary. However, these methods must guarantee an appropriate yield with a concomitant economic benefit and a reduced environmental impact. In this study, two irrigation thresholds for irrigation timing (IT) based on thermal imagery were analyzed with the UNICA potato variety in three trials under drip (DI) and furrow (FI) irrigation during 2017–2018 in Lima, Peru. The control (T1) remained at >70% of soil field capacity. For other treatments, thresholds were defined based on stomatal conductance at light saturation (T2: 0.15 and T3: 0.05 mol H2O m−2 s−1) and crop water stress index (T2: 0.4 and T3: 0.6) based on canopy temperature. An integrated index (IIN) was established for the valuation of treatments using the criteria of high fresh tuber yield (FTY) and a low total amount of irrigated water, production cost (PC), and total C emissions (TE) and using criteria of a score. FI-T2 (0.69–0.72) and DI-T3 (0.19–0.29) showed the highest and lowest IIN value, respectively. FTY in T2 was not significantly reduced under FI, resulting in a lower PC regarding DI–T2 and emphasizing the usefulness of thermal imagery in determining watering schedules in potatoes under furrow irrigation systems.
dc.format13 páginas
dc.formatapplication/pdf
dc.identifierhttps://repositorio.catie.ac.cr/handle/11554/12199
dc.identifieropenAccess
dc.identifier.urihttp://hdl.handle.net/123456789/9485
dc.languageen
dc.publisherAgronomy
dc.relationAgronomy
dc.relationhttps://doi.org/10.3390/agronomy12122921
dc.subjectESTRES DE SEQUIA
dc.subjectDROUGHT STRESS
dc.subjectRIEGO
dc.subjectIRRIGATION
dc.subjectCALENDARIO DE LOS RIEGOS
dc.subjectIRRIGATION SCHEDULING
dc.subjectHUELLA DE CARBONO
dc.subjectCARBON FOOTPRINT
dc.subjectANALISIS DE COSTOS Y BENEFICIOS
dc.subjectCOST BENEFIT ANALYSIS
dc.subjectSede Central
dc.titleWater Saving Using Thermal Imagery-Based Thresholds for Timing Irrigation in Potatoes under Drip and Furrow Irrigation Systems
dc.typeArtículo

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