2012
DOI: 10.1590/s1983-40632012000200002
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Fertilidade do solo, estado nutricional e produtividade de girassol, em função da aplicação de lodo de esgoto

Abstract: O lodo de esgoto é um resíduo urbano-industrial que tem causado preocupação, quanto ao uso agrícola. Sua utilização pode ser viável, após a devida suplementação potássica, em substituição a fertilizantes minerais, especialmente em culturas como a do girassol. O presente trabalho objetivou avaliar a produtividade e nutrição mineral do girassol cv. CATISSOL 01, além da fertilidade de um Latossolo Vermelho eutroférrico adubado com lodo de esgoto, em comparação à adubação mineral, por dois anos consecutivos. O exp… Show more

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Cited by 19 publications
(13 citation statements)
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References 13 publications
(12 reference statements)
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“…Our results are in agreement with those of OzoresHampton, Stansly, and Salame (2011), who reported an increase in the soil P and K after repeated amendment of composted waste over 10 years. Similarly, Ribeirinho, Melo, Silva, Figueiredo, and Melo (2012) found an increase in the CEC after six years of sewage sludge amendment that was directly related to the increase in the waste rates and which occurred because of the increased negative charge produced by the organic matter in the waste. However, the increased soil Na content in our study due to the amendment of CTS is a major concern in relation to compost use (Arthur, Cornelis, & Razaghi, 2012) because increased Na may limit the growth of plants at the highest CTS application rates.…”
Section: Resultsmentioning
confidence: 80%
“…Our results are in agreement with those of OzoresHampton, Stansly, and Salame (2011), who reported an increase in the soil P and K after repeated amendment of composted waste over 10 years. Similarly, Ribeirinho, Melo, Silva, Figueiredo, and Melo (2012) found an increase in the CEC after six years of sewage sludge amendment that was directly related to the increase in the waste rates and which occurred because of the increased negative charge produced by the organic matter in the waste. However, the increased soil Na content in our study due to the amendment of CTS is a major concern in relation to compost use (Arthur, Cornelis, & Razaghi, 2012) because increased Na may limit the growth of plants at the highest CTS application rates.…”
Section: Resultsmentioning
confidence: 80%
“…Moraes et al (2012) avaliaram o desempenho produtivo de girassol sob fertilização com resíduos líquidos de efluentes da agroindústria de carnes e adubação mineral, em Latossolo Vermelho com textura muito argilosa, e observaram que esta fonte orgânica de nutrientes possibilitou substituir a adubação mineral, sem causar prejuízos ao potencial produtivo da cultura. Ribeirinho et al (2012) utilizaram lodo de esgoto como fonte de nutrientes para a cultura do girassol, em Latossolo Vermelho eutroférrico de textura argilosa, e observaram que o lodo de esgoto foi viável para a cultura, a qual apresentou produtividade equivalente à da adubação mineral. Silva et al (2010) O diâmetro do capítulo do girassol tem relação direta com o número potencial de aquênios (Lobo & Grassi Filho 2007), peso de mil aquênios (Pivetta et al 2012) e com a produtividade de grãos (Silva et al 2011).…”
Section: Resultsunclassified
“…For example, for each cubic meter of effluent applied, there is an increase of 0.094 mg dm -3 . Ribeirinho et al (2012) worked with application of sewage sludge and evaluated soil fertility; here, the authors obtained increment results of P content and concluded that alternative sources of P can be used to increase this soil nutrient because the sources of this element in nature are finite, and their rational use should be recommended (FIXEN, 2009). …”
Section: +mentioning
confidence: 99%