2013
DOI: 10.1590/s1415-43662013000900005
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Abstract: O resíduo gerado no processamento industrial da mandioca (manipueira) apresenta alta carga orgânica e elevada concentração de nutrientes. Tal resíduo, se descartado indiscriminadamente no solo, pode trazer sérios riscos ao ambiente. Assim, o objetivo deste estudo foi avaliar as alterações dos atributos físicos e químicos em um Neossolo Regolítico cultivado com alface e submetido às diferentes doses de manipueira. O experimento foi conduzido em casa de vegetação e se utilizou um delineamento inteiramente casual… Show more

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Cited by 23 publications
(25 citation statements)
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“…It contains sugar, starch, proteins, linamarin, salts and other substances (INOUE et al, 2010;SANTOS et al, 2010). It is considered a potentially pollutant residue and toxic to the environment due to its organic load and linamarin, which is a glycoside cyanogenic, from which comes the hydrocyanic acid (HCN), that can bring serious environmental problems, such as: reduction of dissolved oxygen, eutrophication of water bodies and death of aquatic fauna (DUARTE et al, 2013).…”
Section: Atributos Químicos Do Solo E Acúmulo De Matéria Seca Do Milhomentioning
confidence: 99%
“…It contains sugar, starch, proteins, linamarin, salts and other substances (INOUE et al, 2010;SANTOS et al, 2010). It is considered a potentially pollutant residue and toxic to the environment due to its organic load and linamarin, which is a glycoside cyanogenic, from which comes the hydrocyanic acid (HCN), that can bring serious environmental problems, such as: reduction of dissolved oxygen, eutrophication of water bodies and death of aquatic fauna (DUARTE et al, 2013).…”
Section: Atributos Químicos Do Solo E Acúmulo De Matéria Seca Do Milhomentioning
confidence: 99%
“…In the literature, the liquid residue of cassava is utilized as soil fertilizer (Duarte et al 2013), in biogas production (Kuczman et al 2011), and on plants as a parasitic control of nematodes (Baldin et al 2012). Although it is considered to be a harmful residue when freshly released in the environment, the presence of organic nutrients (mainly starch and soluble sugars) sustains the possibility of its use in animal feeding, although studies are needed to support the hypothesis regarding its use as an ingredient for ruminants.…”
Section: Introductionmentioning
confidence: 99%
“…However, due to the fact that the doses were established in function of the nitrogen recommendation for pasture, the P rates were different among the wastewater. Thus, the highest available P concentration was 2.86 mg kg -1 in the ALT4 treatment submitted to the dose of 119 kg ha -1 of P, whereas in the SW treatment the highest concentration was 2.62 mg kg -1 (AAT4) submitted to the dose of 49 kg ha -1 of P. Duarte et al (2013) found similar results, who found maximum concentrations of 3.50 mg kg -1 when a dose of 65 kg ha -1 of cassava wastewater was applied. The possibility of the P concentration reduction in the soil can also be associated with the slow availability of the phosphorus present in the organic matter contained in the wastewater, via degradation.…”
Section: Resultsmentioning
confidence: 87%
“…There were significant increases in the concentrations of available Na of the soil receiving the highest applied irrigations (ALT4 and AAT4), while the available K did not show significant increases in relation to the effects of conventional chemical fertilization, as observed in Tables 3 and 4.The highest concentrations were 5.49 and 6.19 g kg -1 of available K with the applied irrigations in the AAT4 and ALT4 treatments, while the available Na concentrations were 5.57 g kg -1 (AAT4) and 9.65 g kg -1 (ALT4). Duarte et al (2013) found concentrations of 0.42 g kg -1 of available Na at 0.20 m of soil depth when 45 m 3 ha -1 of cassava wastewater was applied. According to Cavalcante et al (2010), the excess of sodium salts, besides causing damages to the physical and chemical properties of the soil, causes the generalized reduction of the cultivated plants growth causing serious damages to the agricultural activity.…”
Section: Resultsmentioning
confidence: 91%