2014
DOI: 10.1590/s0100-69162014000600014
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Abstract: ABSTRACT:The objective of this study was to evaluate the productive performance of sunflower plants irrigated with different levels of domestic treated sewage and groundwater well with different doses of nitrogen. It was used randomized blocks design in split-split plots with four replications. In the plots, we evaluated the effect of two types of irrigation water, in the subplots we evaluated the five irrigation levels expressed as 25, 50, 75, 100 and 125% of the Class A pan Evaporation (CAE), and in the sub … Show more

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Cited by 9 publications
(4 citation statements)
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“…Assim, é dividido em três fases: a primeira é a de despertar, ela pode até ser positiva quando o indivíduo está bem psicologicamente, e a situação estressante acaba por ajudar em seu desenvolvimento. Em seguida, vem a fase de adaptação, na qual a permanência do agente estressor pode ocasionar a perda da homeostase e provocar doenças físicas e psíquicas; por fim, a fase exaustiva, em que ocorre a perda do equilíbrio permanente (6).…”
Section: Introductionunclassified
“…Assim, é dividido em três fases: a primeira é a de despertar, ela pode até ser positiva quando o indivíduo está bem psicologicamente, e a situação estressante acaba por ajudar em seu desenvolvimento. Em seguida, vem a fase de adaptação, na qual a permanência do agente estressor pode ocasionar a perda da homeostase e provocar doenças físicas e psíquicas; por fim, a fase exaustiva, em que ocorre a perda do equilíbrio permanente (6).…”
Section: Introductionunclassified
“…Plants irrigated with PW 4 had mean achene yield (AY) of 1,677.5 kg ha -1 , and those irrigated with treated DW had mean AY of 3,291.9 kg ha -1 (Table 2), representing an increase of 96.2%. These AY were higher than the national average in the 2016/17 harvest (1,419 kg ha -1 ) (Companhia Nacional de Abastecimento -Conab, 2017) and higher than that found by Bezerra et al (2014) (2,987.5 kg ha -1 ), who evaluated the effect of irrigation with treated wastewater and nitrogen rates in sunflower crops in Aquiraz, CE, Brazil. However, the AY were lower than those found by Aquino et al (2013) (3,950 kg ha -1 ), who evaluated sunflower cultivars with mineral fertilization applied at planting (250 kg ha -1 of 8-28-16 N-P-K) and as top-dressing (80-0-60 kg ha -1 of N-P-K).…”
Section: Resultsmentioning
confidence: 57%
“…Evaluations of the performance of crops irrigated with treated domestic wastewater have been carried out in Brazil (Nobre et al, 2010;Freitas et al, 2012;Orrico Junior et al, 2013;Bezerra et al, 2014;Santos Junior et al, 2011;Santos Junior et al, 2015;Barbosa et al, 2017;Gonçalves et al, 2017), with most of them finding improvements when comparing to irrigations with public water. In this context, the objective of this work was to evaluate production components of sunflower (Helianthus annus L.) plants grown in the Semiarid region of Brazil, irrigated with domestic wastewater treated by different processes, with two irrigation depths.…”
Section: Introductionmentioning
confidence: 99%
“…According to Nascimento and Fideles Filho [42], irrigation with treated effluent resulted in greater productivity in cotton in relation to the other treatments, emphasising its use in agriculture. Bezerra et al [43], cultivating sunflower irrigated with treated domestic effluent and with different doses of nitrogen, found a significant increase in the productivity of plants that were irrigated with the treated domestic effluent. Mohamed et al [37] found that the production of sunflower grains was as satisfactory as in treatments with NPK mineral fertiliser.…”
Section: Source Of Variationmentioning
confidence: 99%