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Water and Radiation Use Efficiency of Eggplant Under None Water Stress Condition in Semi–Arid Region

Journal: COMU Journal of Agriculture Faculty (Vol.3, No. 2)

Publication Date:

Authors : ;

Page : 71-77

Keywords : Eggplant; PAR; RUE; solar radiation; irrigation; Class–A pan.;

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An experiment was conducted in an open field to determine the simultaneous relationship between radiation interception, evapotranspiration, plant development and yield. Full water demand of eggplant (Solanum melongena L. cv) was met throughout the entire growing season by using Class–A pan in 2014. This study assessed the intercepted photosynthetically active radiation (IPAR), water use efficiency (WUE), radiation use efficiency (RUE) and total dry matter (TDM) of Eggplant (Solanum melongena L.) in each stages throughout the all growing period. The incident PAR was 1120 MJ m-2, of which 393 Mj m-2 intercepted by the eggplant canopy. The yield was 41.5 t ha-1, with the applied water of 509 mm and evapotranspiration of 612.9 mm for the entire growing season, lasting 113 days. In this experiment, a strong relationship was determined between solar radiation and evaporation occuring from Class–A pan. Therefore, it is thought to be used in the activatation of micro irrigation systems automatically.

Last modified: 2018-01-29 21:24:55