RENDIMENTO E EFICIÊNCIA DO USO DA ÁGUA PELA ALFACE EM FUNÇÃO DA LÂMINA DE IRRIGAÇÃO
2010
WELLINGTON FARIAS ARAÚJO | KELLY TAGIANNE SANTOS DE SOUZA | THALES VINÍCIUS DE ARAÚJO VIANA | BENITO MOREIRA AZEVEDO | GABRIELA ALMEIDA OLIVEIRA
The purpose of this study was to evaluate the production of lettuce Lactuca sativa cv. Verônica to water levels. The experiment was conducted at Centro de Ciências Agrárias at Universidade Federal de Roraima (State of Roraima, Brazil). The experiment was carried out in a greenhouse following the completely randomized blocks design with four replications. The treatments consisted of six water levels based on fractions of the class A pan daily evapotranspiration (20%, 40%, 60%, 80%, 100% e 120%). The results of yield and fresh matter showed a linear response of the applied irrigation levels. The water use efficiency showed a decreasing linear response with respect to the irrigation levels. The maximum of yield showed 17.35 t ha-1 with 120% Class A Pan evaporation level.
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