Phosphorus accumulation and pollution potential in a hapludult fertilized with pig manure

Guardini, Renato; Comin, Jucinei José; Santos, Danilo Rheinheimer dos; Gatiboni, Luciano Colpo; Tiecher, Tales; Schmitt, Djalma Eugênio; Bender, Marcos Antonio; Filho, Paulo Belli; Oliveira, Paulo Amando Victoria de; Brunetto, Gustavo

doi:10.1590/s0100-06832012000400027

Cited by 36 publications

(40 citation statements)

References 31 publications

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“…In addition, phosphate forms inner-sphere complexes with functional groups of reactive inorganic soil particles, which decreases phosphate mobility and raises its concentration near application sites in the surface layers of NT systems, as in this study (Guardini et al, 2012). These results are similar to those of Gatiboni et al (2008) in an experiment on native pasture treated with 0, 20 and 40 m 3 ha -1 PS in 28 applications for 48 months, where P extracted by Mehlich-1 was accumulated to a depth of 20 cm and total P to a depth of 15 cm.…”

Section: Discussionsupporting

confidence: 52%

“…Approximately 38,000 m 3 of pig slurry (PS) is generated daily (Fepam, 2008), which is applied repeatedly in the same areas of cultivation, especially because the land distribution in the main producing regions in the North and Northwest of the State consists of mostly small farms. The PS is applied as organic nutrient source, including P for plants (Guardini et al, 2012;Lourenzi et al, 2014), which is one of the most limiting macronutrients for crop productivity in the weathered soils of tropical and subtropical regions (Gatiboni et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

“…However, when P is added successively and at high rates to the soil, for example by PS application in crop conservation systems such as no-tillage (NT), where the soil is not tilled, the total P content may increase (Berwanger et al, 2008;Lourenzi et al, 2014), and especially the content available to plants, which can be diagnosed by the method of Mehlich-1 (Gatiboni et al, 2008;Guardini et al, 2012). Thus, the saturation of the most avid adsorption sites and a reduction in adsorption energy between phosphate oxygen and functional groups of the surface of oxides and clay minerals are expected, increasing the P concentration in the solution (Guardini et al, 2012;Schmitt et al, 2014); consequently, the P transfer in surface runoff solution to surface waters increases, but also migration in the soil profile by water flow, raising the risk of contamination of subsurface waters, especially in soils with sandy surface texture (Berwanger et al, 2008;Ceretta et al, 2010b;Wang et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

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Effects of Pig Slurry Application and Crops on Phosphorus Content in Soil and the Chemical Species in Solution

Conti

Ceretta

Ferreira

et al. 2015

Rev. Bras. Ciênc. Solo

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the application of pig slurry rates and plant cultivation can modify the soil phosphorus (P) content and distribution of chemical species in solution. the purpose of this study was to evaluate the total P, available P and P in solution, and the distribution of chemical P species in solution, in a soil under longstanding pig slurry applications and crop cultivation. the study was carried out in soil columns with undisturbed structure, collected in an experiment conducted for eight years in the experimental unit of the universidade federal de santa maria (ufsm), santa maria (rs). the soil was an Argissolo Vermelho distrófico arênico (typic hapludalf), subjected to applications of 0, 20, 40, and 80 m 3 ha -1 pig slurry. soil samples were collected from the layers 0-5, 5-10, 10-20, 20-30, 30-40, and 40-60 cm, before and after black oat and maize grown in a greenhouse, for the determination of available P, total P and P in the soil solution. in the solution, the concentration of the major cations, anions, dissolved organic carbon (doc), and ph were determined. the distribution of chemical P species was determined by software Visual minteq. the 21 pig slurry applications increased the total P content in the soil to a depth of 40 cm, and the P extracted by mehlich-1 and from the solution to a depth of 30 cm. successive applications of pig slurry changed the balance between the

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Section: Discussionsupporting

confidence: 52%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effects of Pig Slurry Application and Crops on Phosphorus Content in Soil and the Chemical Species in Solution

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Ceretta

Ferreira

et al. 2015

Rev. Bras. Ciênc. Solo

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“…Thus, P can migrate in the soil profile, leading to an increase in the available P content in the deeper soil layers (Table 2). These results are similar to those of Guardini et al (2012b), who observed greater increases of P extracted by AER to a depth of 20 cm in a Typic Hapludalf under PL applications, in comparison to soil with a history of PS application.…”

Section: Resultssupporting

confidence: 89%

“…There is thus P accumulation in inorganic labile fractions, especially in the soil surface layers, but also in deeper layers (Gatiboni et al, 2008;Ceretta et al, 2010a;Guardini et al, 2012a;Lourenzi et al, 2013). Among the methods used for evaluating P availability in the soil is the anion exchange resin (AER) method (Bolland et al, 1996;Berwanger et al, 2008;Guardini et al, 2012b), used for determining P availability to plants (CQFS-RS/SC, 2004) and also as an indicator of the contamination potential in soils with sequential application of animal manure (Guardini et al, 2012b).…”

Section: Introductionmentioning

confidence: 99%

Available content, surface runoff and leaching of phosphorus forms in a typic hapludalf treated with organic and mineral nutrient sources

Lourenzi

Ceretta

Cerini

et al. 2014

Rev. Bras. Ciênc. Solo

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The application of animal manure to soil can increase phosphorus availability to plants and enhance transfer of the nutrient solution drained from the soil surface or leached into the soil profile. The aim of this study was to evaluate the effect of successive applications of organic and mineral nutrient sources on the available content, surface runoff and leaching of P forms in a Typic Hapludalf in no-tillage systems. Experiment 1 was set up in 2004 in the experimental area of UFSM, in Santa Maria (RS, Brazil). The treatments consisted of: control (without nutrient application) and application of pig slurry (PS), pig deep-litter (PL), cattle slurry (CS), and mineral fertilizers (NPK). The rates were determined to meet the N crop requirements of no-tillage black oat and maize, grown in the 2010/2011 growing season. The soil solution was collected after each event (rain + runoff or leaching) and the soluble, particulate and total P contents were measured. In November 2008, soil was collected in 2 cm intervals to a depth of 20 cm, in 5 cm intervals to a depth of 40 cm, and in 10 cm intervals to a depth of 70 cm. The soil was dried and ground, and P determined after extraction by anion exchange resin (AER). In experiment 2, samples collected from the Typic Hapludalf near experiment 1 were incubated for 20, 35, 58, 73 and 123 days after applying the following treatments: soil, soil + PS, soil + PL, soil + CS and soil + NPK. Thereafter, the soil was sampled and P was analyzed by AER. The applications of nutrient sources over the years led to an increase in available P and its migration in the soil profile. This led to P transfer via surface runoff and leaching, with the largest transfer being observed in PS and PL treatments, in which most P was applied. The soil available P and P transfer via surface runoff were correlated with the amounts applied, regardless of the P source. However, P transfer by leaching was not correlated with the applied nutrient amount, but rather with the solution amount leached in the soil profile.

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Impacts of soil use and management on water quality in agricultural watersheds in Southern Brazil

et al. 2020

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Worldwide, agriculture is considered one of the main activities that influence water quality. The objective of this work was to evaluate the influence of soil use and management on water quality at the small watershed scale, in Southern Brazil. One watershed is characterized by production of annual crop seeds under no‐tillage (zero tillage), with crop rotation and with terraces (Sarandi watershed—SW), while the other is characterized by production of grains in the summer and pasture with grazing in the winter, under no‐tillage, without crop rotation and without terraces (Coxilha watershed—CW). Flow and climatic data were measured during 2 years. Water samples were manually taken at precipitation events and base flow over 1 year for laboratory analysis. During events of high volume, most of the rainfall was converted to base flow in SW, while in CW, most of the rainfall was transformed into overland flow. Overall, higher concentrations and losses of sediments and nutrients occurred in the CW, mainly during precipitation events in the winter crops season. Of the total nitrogen concentration in water, approximately 3% was ammonium‐N and 58% was nitrate‐N, on average, in both watersheds. For total phosphorus concentration in water, more than 75% was particulate in both watersheds, however, the bioavailable phosphorus accounted for 70% of the total phosphorus in the SW and for 35% in the CW. The higher concentration of bioavailable phosphorus in the SW indicates a short‐term pollution potential, but in both watersheds, the water quality was impaired by the high concentrations of total phosphorus. In general, even with no‐tillage, the results highlight the importance of best management practices as terracing, riparian vegetation, crop rotation, better crop systems and fertilizer management to avoid degradation of water resources.

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Phosphorus accumulation and pollution potential in a hapludult fertilized with pig manure

Cited by 36 publications

References 31 publications

Effects of Pig Slurry Application and Crops on Phosphorus Content in Soil and the Chemical Species in Solution

Effects of Pig Slurry Application and Crops on Phosphorus Content in Soil and the Chemical Species in Solution

Available content, surface runoff and leaching of phosphorus forms in a typic hapludalf treated with organic and mineral nutrient sources

Impacts of soil use and management on water quality in agricultural watersheds in Southern Brazil

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