Search results for "Plant water statu"

showing 3 items of 3 documents

Effects of Three Irrigation Strategies on Gas Exchange Relationships, Plant Water Status, Yield Components and Water Productivity on Grafted Carménèr…

2018

In the Chilean viticultural industry, Carménère is considered an emblematic cultivar that is cultivated mainly in arid and semi-arid zones. For this reason, it is necessary to use precise irrigation scheduling for improving water use efficiency (WUE), water productivity (WP), yield and wine quality. This study evaluated the effects of three deficit irrigation strategies on gas exchange variables, WUE, WP and yield components in a drip-irrigated Carménère vineyard growing under semi-arid climatic conditions during two consecutive seasons (2011/12 and 2012/13). The irrigation strategies were applied in completely randomized design from fruit set (S) to harvest (H). The first irrigation strate…

0106 biological sciencesIrrigationStomatal conductancedeficit irrigationDeficit irrigationCarménère vineyardsyield parametersIrrigation scheduling04 agricultural and veterinary sciencesPlant Sciencelcsh:Plant culture01 natural sciencesVineyardHorticultureEvapotranspiration040103 agronomy & agriculture0401 agriculture forestry and fisherieswater productivitylcsh:SB1-1110Water-use efficiencyplant water statusWater use010606 plant biology & botanyMathematicsOriginal ResearchFrontiers in Plant Science
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Assessment of yield and water productivity of clementine trees under surface and subsurface drip irrigation

2018

Abstract Irrigation systems aimed to optimize water use efficiency in agriculture have become essential due to the increasing water limitations that agriculture is currently facing. Assessment of crop responses to different irrigation systems and strategies are therefore encouraged to find the most efficient options for each specific case. The main objective of this study was to assess the performance of a citrus crop under a surface (SI) and subsurface drip irrigation (SSI) with 7 (SI7, SSI7) or 14 emitters (SI14, SSI14) per plant, as well as a third SS treatment (SSIA), identical to SSI7 but equipped with and additional drip line buried between the tree rows. Evaluations were made in term…

Irrigationbusiness.industry0208 environmental biotechnologySoil Science04 agricultural and veterinary sciences02 engineering and technologyDrip irrigationAgricultural engineering020801 environmental engineeringCropWater resourcesWater saving Citrus Soil/plant water status Fruit qualityAgricultureYield (wine)040103 agronomy & agricultureSettore AGR/08 - Idraulica Agraria E Sistemazioni Idraulico-Forestali0401 agriculture forestry and fisheriesEnvironmental scienceWater-use efficiencybusinessAgronomy and Crop ScienceProductivityEarth-Surface ProcessesWater Science and TechnologyAgricultural Water Management
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Verifica dell’applicabilità del metodo irriguo sub-superficiale su colture agrumicole e ottimizzazione dell’uso della risorsa idrica

2020

Gli impianti di subirrigazione (SDI), in relazione alla posizione interrata dei gocciolatori permettono la riduzione dei consumi irrigui, garantendo la possibilità di utilizzo di risorse altrimenti non utilizzabili. Tuttavia, i costi di investimento iniziali risultano maggiori di quelli relativi ai tradizionali impianti di microirrigazione e pertanto, diventano economicamente vantaggiosi, se l'efficienza del sistema viene garantita per periodi di almeno 15-20 anni. La SDI, inoltre, permette di ottenere valori elevati di efficienza d’uso dell’acqua, spesso superiori al 90%, se associata ad un monitoraggio continuo dello stato idrico del suolo e della pianta e ad una corretta stima delle esig…

Plant water statuRoot intrusionICTSap flowKcb Citrus reticulataSub-irrigationEmitters evaluationSoil-Plant-atmosphere system monitoringRegulated deficit irrigationIrrigation scheduling
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