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Cattle Manure Bioconversion Effect on the Availability of Nitrogen, Phosphorus, and Potassium in Soil Rev. Bras. Ciênc. Solo
Eckhardt,Daniel Pazzini; Redin,Marciel; Santana,Natielo Almeida; Conti,Lessandro De; Dominguez,Jorge; Jacques,Rodrigo Josemar Seminoti; Antoniolli,Zaida Inês.
ABSTRACT The efficiency index (EI) refers to the ratio of nutrients mineralized/made available in the soil to the total amount of nutrients added by organic fertilizer. Therefore, understanding the EI is essential for recommendation of organic fertilization. The aim of this study was to evaluate the availability through mineralization and the efficiency index of nitrogen (N), phosphorus (P), and potassium (K) in organic fertilizers produced from cattle manure. The following treatments were evaluated in an incubation experiment under controlled conditions: soil without fertilizer (control); soil + beef cattle manure vermicompost; soil + beef cattle manure/straw compost; soil + beef cattle manure; soil + dairy cattle manure; and soil + vermicompost produced...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Organic fertilizers; Vermicompost; Efficiency index.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832018000100527
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Effects of pig slurry application on the diversity and activity of soil biota in pasture areas Ciência Rural
Silva,Danni Maisa da; Jacques,Rodrigo Josemar Seminoti; Silva,Diego Armando Amaro da; Santana,Natielo Almeida; Vogelmann,Eduardo; Eckhardt,Daniel Pazzini; Antoniolli,Zaida Inês.
ABSTRACT: The successive application of pig slurry to pastures is a common practice in southern Brazil, serving as a method of waste disposal as well as an important alternative to chemical fertilization. Although there are economic benefits to the use of manure as fertilizer, it may be associated with environmental hazards and cause changes to composition and activity of soil fauna. This study aimed to study the effects of pig slurry on the soil biota of pastures. Composition and biological activity of pastures where manure was applied successively for 2 years (A2) and 14 years (A14) were evaluated, and native forest (NF) was analyzed as a reference area. Successive application of pig slurry to the soil changed its biological characteristics according to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Organic fertilization; Soil fauna; Bait lamina.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016001001756
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Eucalyptus grandis Hill ex Maiden inoculated with Pisolithus microcarpus (UFSC-Pt116) in land subject to the sandy process in southern Brazil BJM
Souza,Eduardo Lorensi de; Antoniolli,Zaida Inês; Machado,Rafael Goulart; Eckhardt,Daniel Pazzini; Dahmer,Sabrina de Fátima Barbosa.
Eucalypts is one of the main species used for commercial reforestation in the state of Rio Grande do Sul, Brazil. This study aimed to evaluate the survival and early growth of eucalyptus trees in an area subject to sandy process after three years of growth. The Eucalyptus grandis seedlings were grown in a greenhouse, innoculated or not with the isolated ectomycorrhizal Pisolithus microcarpus (UFSC-Pt116), produced in peat or Entisol. After 120 days, the seedlings were transplanted to an area subject to the sandy process, in the city of São Francisco de Assis, RS. The plants have been evaluated regarding survival, height, stem diameter, nitrogen, phosphorus and potassium levels and total phosphorus, inorganic phosphorus, organic phosphorus and wood...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ectomycorrhiza; Degraded areas; Entisol; Inoculation.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822014000400004
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Mineralization and efficiency index of nitrogen in cattle manure fertilizers on the soil Ciência Rural
Eckhardt,Daniel Pazzini; Redin,Marciel; Jacques,Rodrigo Josemar Seminoti; Lorensini,Felipe; Santos,Marcos Leandro dos; Weiler,Douglas Adams; Antoniolli,Zaida Inês.
ABSTRACT: This research aimed to evaluate the mineralization of nitrogen (N) and to define the efficiency index (EI) of N after the addition of organic fertilizers based on cattle manure on the soil under laboratory conditions. A completely randomized statistical design with four replicates was used. The treatments were set as follows: T1) Soil (control); T2) Soil + vermicompost of cattle manure (CMV); T3) Soil + cattle manure and straw compost (CMS); and T4) Soil + cattle manure (CM). Experimental units were constituted by acrylic flasks with 5 x 5cm (height x diameter). Each flask was added with 135g of wet soil and 2.20, 2.45 and 2.27g of CMV, CMS and CM, respectively. Treatments were incubated at 25°C and the amount of mineral N from the soil (N-NH4+...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Vermicompost; Organic fertilizer; Cattle manure; Composting.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000300472
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Physicochemical, aromatic and sensory properties of the ‘Riesling Italico’ wines fermented with Saccharomyces and non-Saccharomyces yeasts Ciência Rural
Quincozes,Lorena; Marcon,Ângela Rossi; Spinelli,Fernanda Rodrigues; Gabbardo,Marcos; Eckhardt,Daniel Pazzini; Cunha,Wellynthon Machado da; Costa,Vagner Brasil; Jacques,Rodrigo Josemar Seminoti; Schumacher,Rafael Lizandro.
ABSTRACT: The sensory quality of wines is affected by the compounds produced by the action of the yeasts used in alcoholic fermentation. This work aimed at assessing the physicochemical, aromatic and sensory properties of the ‘Riesling Italico’ white wines produced by using the Saccharomyces and non-Saccharomyces yeasts. The yeasts S. cerevisiae, S. cerevisiae cerevisiae, S. bayanus, Torulaspora delbrueckii and Metschnikowia pulcherrima were inoculated individually into the must. For 10 days, the alcohol was left to ferment in 7 L carboys in triplicate, at 15º C temperature. The standard physicochemical analyses were done and the quality of the wines was determined. The volatile compounds were identified and quantitative descriptive sensory analyses were...
Tipo: Info:eu-repo/semantics/article Palavras-chave: White wines; Torulaspora delbrueckii; Metschnikowia pulcherrima; Volatile compounds; Sensory analysis..
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782020000600751
Registros recuperados: 5
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