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| 2. |  | SOARES SOBRINHO, J.; ALVARENGA, C. B. de; SILVA, M. S. e; CASAROTTI, D. da C. Comportamento de genótipos de trigo de sequeiro no ensaio de VCU2.3, em Coromandel-MG, no ano de 2007. In: SIMPÓSIO NACIONAL CERRADO, 9.; SIMPÓSIO INTERNACIONAL SAVANAS TROPICAIS, 2., 2008, Brasília, DF. Desafios e estratégias para o equilíbrio entre sociedade, agronegócio e recursos naturais: anais... Planaltina, DF: Embrapa Cerrados, 2008. 6 p. 1 CD-ROM.| Biblioteca(s): Embrapa Trigo. |
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Registro Completo
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Biblioteca(s): |
Embrapa Pesca e Aquicultura. |
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Data corrente: |
17/11/2016 |
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Data da última atualização: |
30/10/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
KROTH, P. L.; BORTOLON, L.; SCHLINDWEIN, J. A.; BORTOLON, E. S. O. |
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Afiliação: |
PLINIO L. KROTH, UFRGS; LEANDRO BORTOLON, CNPASA; JAIRO A. SCHLINDWEIN, UNIVERSIDADE FEDERAL DE RONDÔNIA; ELISANDRA SOLANGE OLIVEIRA BORTOLON, CNPASA. |
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Título: |
Ion exchange resin membrane sensitivity analysis of selected parameters for soil nutrient extraction. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Journal of Agricultural Science, Toronto, v. 8, n. 10, p. 189-203, 2016. |
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ISSN: |
1916-9760 |
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DOI: |
10.5539/jas.v8n10p189 |
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Idioma: |
Inglês |
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Conteúdo: |
The ion exchange resin method has received considerable attention as an alternative soil test method to evaluate plant available nutrients. This study sought to investigate the effect of changes to the resin standard method in the capacity of the resin to extract soil P, K, Ca, and Mg in soils with different texture. We tested the following modifications: soil grinding levels (< 2 mm; < 0.3 mm), shaking time (8 h; 16 h; 24 h), reciprocation level (12.5 rpm; 25 rpm; 50 rpm), solution and elution saturation concentration (0.25/0.25 mol L-1; 0.5/0.5 mol L-1; 1.0/1.0 mol L-1), soil:solution ratio (1:5 v:v; 1:10 v:v; 1:16 v:v; 1:25 v:v), room temperature (10 oC, 15 oC, 25 oC, 40 oC), and resin amount (1 n; 2 n). When one factor was changed all the others were kept the same as the standard procedure. We selected the five most representative soil orders used for crop production in Southern Brazil which have a wide range of clay, organic matter, Mehlich-1 extractable P and K, and KCl exchangeable Ca, and Mg contents. Results showed that modifications on the standard extraction procedure affected the amounts of soil P, K, Ca, and Mg extracted. Temperature was the main factor affecting the amount of P extracted from the soil with ion exchange membrane resin. Our results can be useful to other regions that might be interested in adopting the resin soil test method, allowing others to identify the impacts of similar method modifications on soil nutrient availability according to soil type, soil management, and temperature conditions. MenosThe ion exchange resin method has received considerable attention as an alternative soil test method to evaluate plant available nutrients. This study sought to investigate the effect of changes to the resin standard method in the capacity of the resin to extract soil P, K, Ca, and Mg in soils with different texture. We tested the following modifications: soil grinding levels (< 2 mm; < 0.3 mm), shaking time (8 h; 16 h; 24 h), reciprocation level (12.5 rpm; 25 rpm; 50 rpm), solution and elution saturation concentration (0.25/0.25 mol L-1; 0.5/0.5 mol L-1; 1.0/1.0 mol L-1), soil:solution ratio (1:5 v:v; 1:10 v:v; 1:16 v:v; 1:25 v:v), room temperature (10 oC, 15 oC, 25 oC, 40 oC), and resin amount (1 n; 2 n). When one factor was changed all the others were kept the same as the standard procedure. We selected the five most representative soil orders used for crop production in Southern Brazil which have a wide range of clay, organic matter, Mehlich-1 extractable P and K, and KCl exchangeable Ca, and Mg contents. Results showed that modifications on the standard extraction procedure affected the amounts of soil P, K, Ca, and Mg extracted. Temperature was the main factor affecting the amount of P extracted from the soil with ion exchange membrane resin. Our results can be useful to other regions that might be interested in adopting the resin soil test method, allowing others to identify the impacts of similar method modifications on soil nutrient availability according to soil ty... Mostrar Tudo |
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Thesagro: |
Análise do solo; Fósforo; Potássio; Resina. |
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Thesaurus NAL: |
Phosphorus; Potassium; Resins; Soil analysis. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/150157/1/CNPASA-2016-jas.pdf
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Marc: |
LEADER 02351naa a2200277 a 4500
001 2056556
005 2019-10-30
008 2016 bl uuuu u00u1 u #d
022 $a1916-9760
024 7 $a10.5539/jas.v8n10p189$2DOI
100 1 $aKROTH, P. L.
245 $aIon exchange resin membrane sensitivity analysis of selected parameters for soil nutrient extraction.$h[electronic resource]
260 $c2016
520 $aThe ion exchange resin method has received considerable attention as an alternative soil test method to evaluate plant available nutrients. This study sought to investigate the effect of changes to the resin standard method in the capacity of the resin to extract soil P, K, Ca, and Mg in soils with different texture. We tested the following modifications: soil grinding levels (< 2 mm; < 0.3 mm), shaking time (8 h; 16 h; 24 h), reciprocation level (12.5 rpm; 25 rpm; 50 rpm), solution and elution saturation concentration (0.25/0.25 mol L-1; 0.5/0.5 mol L-1; 1.0/1.0 mol L-1), soil:solution ratio (1:5 v:v; 1:10 v:v; 1:16 v:v; 1:25 v:v), room temperature (10 oC, 15 oC, 25 oC, 40 oC), and resin amount (1 n; 2 n). When one factor was changed all the others were kept the same as the standard procedure. We selected the five most representative soil orders used for crop production in Southern Brazil which have a wide range of clay, organic matter, Mehlich-1 extractable P and K, and KCl exchangeable Ca, and Mg contents. Results showed that modifications on the standard extraction procedure affected the amounts of soil P, K, Ca, and Mg extracted. Temperature was the main factor affecting the amount of P extracted from the soil with ion exchange membrane resin. Our results can be useful to other regions that might be interested in adopting the resin soil test method, allowing others to identify the impacts of similar method modifications on soil nutrient availability according to soil type, soil management, and temperature conditions.
650 $aPhosphorus
650 $aPotassium
650 $aResins
650 $aSoil analysis
650 $aAnálise do solo
650 $aFósforo
650 $aPotássio
650 $aResina
700 1 $aBORTOLON, L.
700 1 $aSCHLINDWEIN, J. A.
700 1 $aBORTOLON, E. S. O.
773 $tJournal of Agricultural Science, Toronto$gv. 8, n. 10, p. 189-203, 2016.
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Embrapa Pesca e Aquicultura (CNPASA) |
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