2014
DOI: 10.1590/s0100-06832014000500007
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Effects of pig slurry application on soil physical and chemical properties and glyphosate mobility

Abstract: SUMMARYPig slurry applied to soil at different rates may affect soil properties and the mobility of chemical compounds within the soil. The purpose of this study was to evaluate the effects of rates of pig slurry application in agricultural areas on soil physical and chemical properties and on the mobility of glyphosate through the soil profile. The study was carried out in the 12 th year of an experiment with pig slurry applied at rates of 0 (control), 50, 100 and 200 m 3 ha -1 yr -1 on a Latossolo Vermelho d… Show more

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Cited by 8 publications
(13 citation statements)
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References 38 publications
(55 reference statements)
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“…Caovilla et al (2010) attributed the higher P contents in the 0-0.20 m layer to the increase in organic matter caused by SWW, with a trend toward reduced P content due to the reduction of organic matter as depth increases. An increase in P content in superficial soil layers under fertilization with SWW has also been reported by Oliveira, Pinheiro and Veiga (2014) in dystrophic Red Latosol and by Veiga et al (2012) in a typic dystrophic Red Latosol. The mean values of P found at both depths in the present study are considered adequate according to Sobral et al (2015), indicating it is not necessary to correct the P contents in the soil.…”
Section: Casupporting
confidence: 53%
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“…Caovilla et al (2010) attributed the higher P contents in the 0-0.20 m layer to the increase in organic matter caused by SWW, with a trend toward reduced P content due to the reduction of organic matter as depth increases. An increase in P content in superficial soil layers under fertilization with SWW has also been reported by Oliveira, Pinheiro and Veiga (2014) in dystrophic Red Latosol and by Veiga et al (2012) in a typic dystrophic Red Latosol. The mean values of P found at both depths in the present study are considered adequate according to Sobral et al (2015), indicating it is not necessary to correct the P contents in the soil.…”
Section: Casupporting
confidence: 53%
“…The pH of the soil was not affected by the SWW, but there were significant differences in the means at the evaluated soil depths at 0.01 probability level (Table 3). The response of soil pH to the SWW application is highly variable, because some studies show no changes (CABRAL et al, 2011;CASSOL et al, 2012;BRUNETTO et al, 2012;MAGGI et al, 2013;HOMEM et al, 2014;SILVA et al, 2015;BERNARDES, 2017), some show an increase (SMANHOTTO et al, 2010;LOURENZI et al, 2011;PRIOR et al, 2015;DA ROS et al, 2017) and others show a decrease (VEIGA et al, 2012;OLIVEIRA;PINHEIRO;VEIGA, 2014).…”
Section: Camentioning
confidence: 99%
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“…For the same reason, the application of manures can minimize the reduction of TOC content in tillage systems that determine high oxidation rate of the soil organic matter, especially those that result in great soil mobilization (Hati et al, 2008). In the literature consulted, the only type of manure that does not necessarily result in an increase in TOC content is the pig slurry (Cenciani et al, 2008;Andrade et al, 2016;Oliveira et al, 2014;Comin et al, 2013), which is associated with the low organic matter content in this type of waste. Thus, a higher increase in TOC is expected when the manure presents high dry matter content and higher C:N ratio, as observed in poultry litter (Ojeniyi, 2008) and cattle manure (Dunjana et al, 2012), as well as in organic compounds (Lynch et al, 2005).…”
Section: Total Organic Carbonmentioning
confidence: 99%
“…The reduction in bulk density occurs both with the application of manures alone(Celik et al., 2004; Barzegar et al, 2002, Bulluck et al, 2002) and in association with mineral fertilizers (Hati et al, 2006a, Hati et al, 2007; Bandyopadhyay et al, 2010; Hati et al, 2008). However, the application of pig slurry usually does not alter bulk density(Arruda et al, 2010;Oliveira et al, 2014), due to the low percentage of organic matter in the material. The application of poultry litter, bovine slurry and pig slurry at recommended doses to supply nutrients to crops for a period of ten years also did not alter significantly bulk density(Veiga et al, 2007).…”
mentioning
confidence: 99%