Publicação: Onion yields under different irrigation managements
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2018-05-15
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The present work aimed at evaluating the agronomic performance of onion under irrigation, submitted to three methods of irrigation management. The experiment was conducted in the experimental field of DTCS / UNEB, in Juazeiro, from June to November 2013. A randomized block design was used with three treatments and seven replicates. The treatments considered were: Tensiometry, Penman-Monteith FAO and Class A pan. The cultivar used was Vale Ouro IPA-11. The following characteristics were evaluated: total productivity, commercial productivity, production of bulbs class 1, 2, 3 and 4, average diameter, average bulb weight, bulb dry matter content, titratable acidity, soluble solids, soluble solids / titratable acidity ratio and pungency. Irrigation management methods based on soil moisture content and microclimate, yields above the national average. The Class A pan method and tensiometry did not differ statistically from the standard Penman-Monteith-FAO method, so the choice of method should be based on the availability of tools as well as the cost of implantation and operation.
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IRRIGA, v. 23, n. 2, p. 262-272, 2018.
