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Reclaimed wastewater: Effects on citrus nutrition

Pereira, B.F.F. ; He, Z.L. ; Stoffella, P.J. ; Melfi, A.J.

Agricultural water management, 2011-10, Vol.98 (12), p.1828-1833 [Periódico revisado por pares]

Amsterdam: Elsevier B.V

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Título:
Reclaimed wastewater: Effects on citrus nutrition
Autor: Pereira, B.F.F. ; He, Z.L. ; Stoffella, P.J. ; Melfi, A.J.
Assuntos: Agricultural and forest climatology and meteorology. Irrigation. Drainage ; Agronomy. Soil science and plant productions ; Biological and medical sciences ; Citrus aurantium ; Citrus paradisi ; Citrus paradisi Macro-nutrients Micro-nutrients Plant nutrition Wastewater irrigation Water reuse ; Copper ; Deviation ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; Irrigation ; Irritation ; Macro-nutrients ; Micro-nutrients ; nutrient content ; Nutrition ; nutritional status ; Optimization ; orchards ; Plant nutrition ; soil quality ; soil toxicity ; Waste water ; wastewater ; Wastewater irrigation ; Water management ; Water reuse
É parte de: Agricultural water management, 2011-10, Vol.98 (12), p.1828-1833
Notas: http://dx.doi.org/10.1016/j.agwat.2011.06.009
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SourceType-Scholarly Journals-1
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Descrição: • Wastewater affects nutrient in plants as follow: B > Zn > Mn = Ca > Cu > Mg > P > K. • Wastewater rendered macro-nutrients in plants closer to their optimum levels. • Imbalanced nutrients in wastewater cause micro-nutrients excess in plants. • Eleven years of irrigation with wastewater has no influence on fruit yield. The effects of irrigation with reclaimed wastewater (RWW) were compared with well water (WW) on citrus ( Citrus paradisi Macfad. X Citrus aurantium L.) nutrition. The deviation from the optimum percentage (DOP) index of macro- and micro-nutrients were used to evaluate the nutritional status: optimal (DOP = 0), deficiency (DOP < 0) or excess (DOP > 0). After 11 years of RWW irrigation the influence on nutrient concentration in plants decreased in the order: B > Zn > Mn = Ca > Cu > Mg > P > K. Reclaimed wastewater irritation positively affected citrus nutrition as it rendered the concentration of macro-nutrients, i.e. P, Ca, and K. closer to their optimum levels (ΣDOP macro = 7). However micro-nutrients tended to be excessive in plants (ΣDOP micro = 753) due to imbalanced supply of these elements in the RWW, particularly, for B and Cu. Citrus groves with long-term RWW irrigation may exercised caution in monitoring concentrations of B and Cu to avoid plant toxicity and soil quality degradation.
Editor: Amsterdam: Elsevier B.V
Idioma: Inglês

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Reclaimed wastewater: Effects on citrus nutrition

Pereira, B.F.F. ; He, Z.L. ; Stoffella, P.J. ; Melfi, A.J.

Amsterdam: Elsevier B.V

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