2022
DOI: 10.1590/1983-21252022v35n322rc
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Crop Water Stress Index of Cowpea Under Different Water Availability Levels in Castanhal-Pa

Abstract: Cowpea is a crop of great socioeconomic relevance for the populations of the North and Northeast of the country, and its low yield is commonly related to environmental stresses, especially water. The objective of this study was to evaluate the water stress index of cowpea, cultivar BR3 - Tracuateua, subjected to different irrigation levels (100, 50, 25 and 0% of ETc) in three reproductive phenological stages (R7, R8 and R9) in Castanhal-PA, Brazil. The experimental design was in randomized blocks, with six rep… Show more

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