2014
DOI: 10.1590/0100-2945-297/13
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Crescimento inicial de pitaia em função de combinações de doses de fósforo-zinco

Abstract: Com o objetivo de avaliar a interferência da relação fósforo-zinco sobre o crescimento inicial de pitaia para fornecer informações que subsidiem a definição de sistemas de produção mais adequados para a exploração desta cultura no Brasil, realizou-se o experimento, testando cinco doses de P (0; 75; 150; 225 e 300 mg dm-3) e Zn (0; 2; 4; 6 e 8 mg dm-3), sendo os níveis de cada nutriente arranjados em esquema fatorial 5x5, com quatro blocos. Para a interação significativa (p<0,05), procedeu-se ao ajuste em su… Show more

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Cited by 17 publications
(27 citation statements)
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“…The highest accumulation of macro and micronutrients was obtained with levels of P available in the soil (2 mg dm -3 ) lower than those observed by Corrêa et al (2014), who reported satisfactory results of pitaya growth when there is 60-75 mg of P per dm 3 of substrate. This difference may be explained by the execution time of the experiments, because Corrêa et al (2014) evaluated the plants at six months after planting, and, at the current experiment, the pitayas and soil were evaluated at ten months after planting.…”
Section: Resultsmentioning
confidence: 51%
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“…The highest accumulation of macro and micronutrients was obtained with levels of P available in the soil (2 mg dm -3 ) lower than those observed by Corrêa et al (2014), who reported satisfactory results of pitaya growth when there is 60-75 mg of P per dm 3 of substrate. This difference may be explained by the execution time of the experiments, because Corrêa et al (2014) evaluated the plants at six months after planting, and, at the current experiment, the pitayas and soil were evaluated at ten months after planting.…”
Section: Resultsmentioning
confidence: 51%
“…Higher P amounts in the dry mass of shoots of Barbados cherry seedlings and pitaya were observed by Corrêa et al (2002) and Corrêa et al (2014), respectively, with addition of P to the substrate. Excess of P on the substrate increases their availability in the soil solution, thus favoring a greater absorption by roots, increasing this nutrient in all plant organs.…”
Section: Resultsmentioning
confidence: 88%
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“…Apesar de a pitaia ser uma planta rústica, que se adapta a várias condições edafoclimáticas, a cultura requer o suprimento equilibrado de nutrientes para crescer e produzir satisfatoriamente (MOREIRA et al, 2011;CORRêA et al, 2014 Köppen (1918), o clima é do tipo Aw'. Trata-se de uma região pertencente ao grupo de clima tropical chuvoso, com temperatura média anual de 26,5 ºC.…”
Section: Introductionunclassified