2016
DOI: 10.1590/0103-9016-2015-0249
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Abstract: Land application of both anaerobic lagoon liquid and sludge can increase nutrient accumulation beyond the soil's assimilative capacity and become a threat to water quality in regions with intensive, confined swine production. In a 15-month meso-scale column study, we evaluated the effect of manure pretreatment on the reduction of total suspended solids (TSS), total phosphorus (TP), soluble reactive P (SRP), and total copper (Cu) and zinc (Zn) in swine lagoons using (i) enhanced solid-liquid separation (SS) and… Show more

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Cited by 4 publications
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“…However, nutrient management plans may limit P application to crop or pastureland near the lagoon because lagoon sludge usually has a high phosphorus (P) content. Indeed, more than 90% of the total mass of P in lagoons is found concentrated in the solid fraction of the sludge (Bicudo et al, 1999;Szogi and Vanotti, 2016). Therefore, to reduce the risks of excess soil P losses via leaching and runoff into water resources, the dewatering of lagoon sludge is a critical step to facilitate long distance transportation of sludge and offset local soil P imbalances.…”
mentioning
confidence: 99%
“…However, nutrient management plans may limit P application to crop or pastureland near the lagoon because lagoon sludge usually has a high phosphorus (P) content. Indeed, more than 90% of the total mass of P in lagoons is found concentrated in the solid fraction of the sludge (Bicudo et al, 1999;Szogi and Vanotti, 2016). Therefore, to reduce the risks of excess soil P losses via leaching and runoff into water resources, the dewatering of lagoon sludge is a critical step to facilitate long distance transportation of sludge and offset local soil P imbalances.…”
mentioning
confidence: 99%