Sewage sludge application to agricultural land as soil physical conditioner

Maria, Isabella Clerici De; Chiba, Márcio Koiti; Costa, Alan Carlos; Berton, Ronaldo Severiano

doi:10.1590/s0100-06832010000300038

Cited by 27 publications

(14 citation statements)

References 16 publications

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“…Also, these authors found that among the investigated heavy metals, only the Zn contents increased in the soil, as a consequence of SS application. De Maria et al (2010) observed lower soil density, greater porosity and improved soil physical quality after six successive SS applications.…”

Section: Introductionmentioning

confidence: 75%

Chemical and microbiological attributes of an oxisol treated with successive applications of sewage sludge¹

Bueno¹,

Berton²,

Silveira³

et al. 2011

Rev. Bras. Ciênc. Solo

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SUMMARYStudies on sewage sludge (SS) have confirmed the possibilities of using this waste as fertilizer and/or soil conditioner in crop production areas. Despite restrictions with regard to the levels of potentially toxic elements (PTE) and pathogens, it is believed that properly treated SS with low PTE levels, applied to soil at adequate rates, may improve the soil chemical and microbiological properties. This study consisted of a long-term field experiment conducted on a Typic Haplorthox (eutroferric Red Latosol) treated with SS for seven successive years for maize production, to evaluate changes in the soil chemical and microbiological properties. The treatments consisted of two SS rates (single and double dose of the crop N requirement) and a mineral fertilizer treatment. Soil was sampled in the 0-0.20 m layer and analyzed for chemical properties (organic C, pH, P, K, Ca, Mg, CEC, B, Cu, Fe, Mn, Zn, Cd, Ni, and Pb) and microbiological properties (basal respiration, microbial biomass activity, microbial biomass C, metabolic quotient, microbial quotient, and protease and dehydrogenase enzyme activities). Successive SS applications to soil increased the macro-and micronutrient availability, but the highest SS dose reduced the soil pH significantly, indicating a need for periodic corrections. The SS treatments also affected soil microbial activity and biomass negatively. There were no significant differences among treatments for maize grain yield. After seven annual applications of the recommended sludge rate, the heavy metal levels in the soil had not reached toxic levels.Index terms: municipal waste, organic matter, soil microbes, maize. (C-orgânico, pH, P, K, Ca, Mg, CTC, B, Cu, Fe, Mn, Zn, Cd, Ni e Pb)

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Section: Introductionmentioning

confidence: 75%

Chemical and microbiological attributes of an oxisol treated with successive applications of sewage sludge¹

Bueno¹,

Berton²,

Silveira³

et al. 2011

Rev. Bras. Ciênc. Solo

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“…Com relação aos atributos físicos, a aplicação de lodo de esgoto proporciona aumento na porosidade total, macroporosidade e retenção de água do solo (Aggelides & Londra, 2000;Debosz et al, 2002;Corrêa et al, 2009;Maria et al, 2010) e diminuição na densidade do solo (Aggelides & Londra, 2000;Trannin et al, 2008;Maria et al, 2010). Jorge et al (1991), estudando a adição de 10,0 t ha -1 ano -1 de lodo de esgoto, em Latossolo Vermelho argiloso, verificaram alterações na relação entre macro e microporos, sem, no entanto, constatar alterações significativas na porosidade total e densidade do solo.…”

Section: Introductionunclassified

Atributos físicos do solo, adubado com lodo de esgoto e silicato de cálcio e magnésio

Maio¹,

Sampaio²,

Nascimento³

et al. 2011

Rev. Ceres

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Physical attributes of soil fertilized with sewage sludge and with calcium and magnesium silicatesThis study aimed to evaluate the effect of sewage sludge and calcium and magnesium silicate on the physical attributes of a Cambisol cultivated with sunflower. The treatments were arranged in a factorial (4 x 2) + 1, corresponding to four doses of sewage sludge (0, 6.25, 12.5 and 18.5 t ha -1 , in dry basis), two doses of calcium and magnesium silicate (0 and 240 g m -1 ) and an additional treatment with chemical fertilizers. The experimental design was randomized blocks with three replications. After 150 days of fertilization, were collected soil samples at depth of 0-20 and 20-40 cm for the evaluation of bulk density, particle density, total porosity, water dispersible clay, flocculation index, aggregate stability index, mean weight diameter, geometric mean diameter and soil penetration resistance. The additional treatment, Atributos físicos do solo, adubado com lodo de esgoto e silicato de cálcio e magnésioEste trabalho teve como objetivo avaliar o efeito da aplicação de lodo de esgoto e de silicato de cálcio e magnésio sobre os atributos físicos de um Cambissolo Háplico, cultivado com girassol. Os tratamentos foram distribuídos em esquema fatorial (4 x 2) + 1, correspondendo a quatro doses de lodo de esgoto desidratado (0; 6,25; 12,5 e 18,5 t ha -1 ), duas doses de silicato de cálcio e magnésio (0 e 240 g m -1 ) e um tratamento adicional com adubação mineral. O delineamento utilizado foi em blocos casualizados, com três repetições. Após 150 dias da adubação, coletaram-se amostras de solos, nas camadas de 0-20 e 20-40 cm, para avaliação da densidade aparente, densidade de partícula, porosidade total, grau de dispersão, grau de floculação, índice de estabilidade de agregados, diâmetro médio ponderado, diâmetro médio geométrico e resistência do solo à penetração. O tratamento adicional, correspondente à adubação mineral, não diferiu dos tratamentos correspondentes às adubações com lodo de esgoto e silicato de cálcio e magnésio, em relação aos atributos físicos do solo. Para o silicato de cálcio e magnésio, também não se constataram diferenças nos atributos físicos do solo, entre a dose zero e 240 g m -1 . Por outro lado, a aplicação de lodo de esgoto diminuiu o grau de dispersão de argila e aumentou a porosidade total do solo, o grau de floculação de argilas e o índice de estabilidade de agregados a úmido, não tendo, porém, influenciado os demais atributos físicos.Palavras-chave: biossólido, matéria orgânica, densidade do solo, estabilidade de agregados.

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“…The highest yield obtained with sludge amendment can be due to double effect of the organic material supplying nutrients and improving soil physical parameters as well [4,5]. Unfortunately, soil physical properties were not measured in this work and more considerations cannot be made.…”

Section: Fruit Productivity and Agronomic Efficiencymentioning

confidence: 91%

“…The key concept of land application of biosolid [1][2][3] is the return of organic matter and plant nutrients removed by crops. Some researchers have reported that biosolid application also improves soil physical properties [4][5][6]. Biosolids were effective to substituted mineral fertilizers as source of nitrogen (N) for ryegrass [7], sugarcane [1,2,8], sunflower [9], and maize [10,11].…”

Section: Introductionmentioning

confidence: 99%

Agronomic Efficiency of Biosolid as Source of Nitrogen to Banana Plants

Teixeira

Berton

Coscione

et al. 2015

Applied and Environmental Soil Science

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Sewage sludge (SS) or biosolid has been studied as source of nutrient for several different plant species. It also contributes to soil fertility recycling organic matter and plant nutrients. This followup work examines a three-year (2001)(2002)(2003)(2004) field experiment designed to evaluate the response of banana plants (Cavendish subgroup) to the application of biosolid as source of nitrogen. The treatments consisted of control (mineral PK, no N), three rates of sludge, and two rates of mineral NPK fertilizer. Plant and soil N concentration, fruit yield, plant height, stem diameter, and foliar endurance index were measured. Fruit yield with mineral fertilization or sludge applications did not differ statistically ( > 0.05). Application of biosolid resulted in statistically significant higher agronomic efficiency ( < 0.05) in comparison to mineral fertilizers. The concentration of soil mineral nitrogen increased using mineral fertilizer or sludge until 0.80 m after three years of application. The effect of the source of N was smaller than the effect of the rate. Biosolid can be used as source of N for banana growers.

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Sewage sludge application to agricultural land as soil physical conditioner

Cited by 27 publications

References 16 publications

Chemical and microbiological attributes of an oxisol treated with successive applications of sewage sludge¹

Chemical and microbiological attributes of an oxisol treated with successive applications of sewage sludge¹

Atributos físicos do solo, adubado com lodo de esgoto e silicato de cálcio e magnésio

Agronomic Efficiency of Biosolid as Source of Nitrogen to Banana Plants

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