2014
DOI: 10.1590/s1415-43662014000300007
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Distribuição espacial de fósforo em Latossolo tratado com lodo de esgoto e adubação mineral

Abstract: Em solos agrícolas que recebem aplicação de lodo de esgoto pode ocorrer, quando sujeitos à erosão hídrica, intenso transporte de fósforo (P) para trechos inferiores da paisagem e, eventualmente, para os corpos de água. O objetivo com este trabalho foi avaliar a distribuição espacial de P em um Latossolo Vermelho eutroférrico, cultivado com milho. Os tratamentos foram avaliados com aplicação de adubo mineral (AM) e de lodo de esgoto (LE). Amostras de solo foram coletadas seguindo uma grade amostral de 69 pontos… Show more

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Cited by 15 publications
(18 citation statements)
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“…Thus, it provides more P. Under a 300 kg ha -1 dose the values of P available were above 86.0 mg dm -3 for ISS and 49.0 mg dm -3 for DSS. These results can be explained by the fact that both wastes have a high level of P. Costa et al (2014) found the same results assessing P available in the soil after the incorporation of sewage sludge until the 0.10 m deep layer between the years 2001 and 2006, five and ten days before sowing the corn. Different behaviours were noted concerning the availability of K + and Ca +2 + Mg 2+ ( Figures 2C and 2D).…”
Section: Resultssupporting
confidence: 72%
“…Thus, it provides more P. Under a 300 kg ha -1 dose the values of P available were above 86.0 mg dm -3 for ISS and 49.0 mg dm -3 for DSS. These results can be explained by the fact that both wastes have a high level of P. Costa et al (2014) found the same results assessing P available in the soil after the incorporation of sewage sludge until the 0.10 m deep layer between the years 2001 and 2006, five and ten days before sowing the corn. Different behaviours were noted concerning the availability of K + and Ca +2 + Mg 2+ ( Figures 2C and 2D).…”
Section: Resultssupporting
confidence: 72%
“…Na camada superficial ocorreu aumento no teor de P concordando com resultados encontrados por Costa et al (2014) que verificaram aumento considerável do teor de P no solo com o uso de lodo de esgoto, que foi incorporado ao solo manualmente e até a camada 0,10 m, com o auxílio de enxada, nos anos de 2001 a 2006, entre 5 a 10 dias antes da semeadura do milho.…”
Section: Resultsunclassified
“…Alguns estudos relatam a relação direta da matéria orgânica sobre a capacidade de troca catiônica (CTC) do solo (Colodro & Espíndola, 2006;Rodrigues et al, 2007;Ricci et al, 2010;Schiavoni et al, 2011;Bonini, 2012;Costa et al, 2014).…”
Section: Introductionunclassified
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“…However, several Fávaris et al 3419 studies with the application of sewage sludge on the soil confirm the increased availability of phosphorus, organic matter, total nitrogen, and potassium (Chiaradia et al, 2009;Costa et al, 2014), providing further growth of the species. However, phosphorus is an essential nutrient in the development and becomes a significant problem due to its low mobility (Azevedo et al, 2004), the use of sewage sludge being considered as an alternative to maintenance and recycling of soil phosphorous.…”
Section: Discussionmentioning
confidence: 97%