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| Registros recuperados : 278 | |
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| 63. | | SILVA, V. M. da.; FORMENTINI, E. A.; SALES, E. F.; TEIXEIRA, A. F. R. Mecanização da compostagem orgânica na Unidade Experimental de Produção Animal Agroecológica (UEPA), Linhares, Espírito Santo. In: In: CONGRESSO BRASILEIRO DE AGROECOLOGIA, 6., CONGRESSO LATINO AMERICANO DE AGROECOLOGIA, 2., 2009, Curitiba. Agricultura familiar e camponesa experiências passadas e presentes construindo um futuro sustentável: anais. Curitiba: ABA, SOCLA, 2009. Revista Brasileira de Agroecologia v. 4, n. 2, 2009.| Biblioteca(s): Biblioteca Rui Tendinha. |
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| 64. | | BRIOSCHI JUNIOR, D.; GUARÇONI, R. G.; ALIXANDRE, F. T.; PEREIRA, L. L.; SOUSA, D. G. de.; MARCATE,J. P. P.; FAVARATO, L. F.; SOUSA, L. H. B. P. de; FORNAZIER, M. J.; FILETE, C. A. Tamanho ótimo de parcela experimental para avaliar características físico-químicas de café. Revista Ifes Ciência, v. 6, n. 3, p. 3-11, 2020.| Biblioteca(s): Biblioteca Rui Tendinha. |
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| 74. | | FERRÃO, R. G.; FONSECA, A. F. A. da.; SILVEIRA, J. S. M.; FERRÃO, M. A. G.; BRAGANÇA, S. M. EMCAPA 8141 - ROBUSTÃO CAPIXABA : variedade clonal de café Conilon tolerante à seca, desenvolvido para o Estado do Espírito Santo. Revista Ceres, Viçosa, v. 47, n. 273, p. 555-559, 2000.| Biblioteca(s): Biblioteca Rui Tendinha. |
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| 78. | | VERDIN FILHO, A. C.; BORGHI, E. J. A.; FORNACIARI, G.; COLODETTI, T. V.; RODRIGUES, W. N.; COMÉRIO, M.; POSSE, S. C. P. Limitações causadas pelas dimensões de tubetes sobre o crescimento e qualidade de mudas clonais de cafeeiro Conilon. Revista Pensar Acadêmico, v. 19, n. 2, p. 281-296, 2021.| Biblioteca(s): Biblioteca Rui Tendinha. |
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| Registros recuperados : 278 | |
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Registro Completo |
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Biblioteca(s): |
Biblioteca Rui Tendinha. |
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Data corrente: |
15/05/2017 |
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Data da última atualização: |
28/09/2017 |
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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: |
GUARÇONI M., A.; SOBREIRA, F. M. |
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Afiliação: |
Andre Guarçoni Martins, Incaper; Fabrício Moreira Sobreira, Instituto Federal Catarinense. |
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Título: |
Classical methods and calculation algorithms for determining lime requirements. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Revista Brasileira de Ciência do Solo [online], v. 41, 2017. |
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DOI: |
http://dx.doi.org/10.1590/18069657rbcs20160069 |
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Idioma: |
Inglês |
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Conteúdo: |
The methods developed for determination of lime requirements (LR) are based on widely accepted principles. However, the formulas used for calculation have evolved little over recent decades, and in some cases there are indications of their inadequacy. The aim of this study was to compare the lime requirements calculated by three classic formulas and three algorithms, defining those most appropriate for supplying Ca and Mg to coffee plants and the smaller possibility of causing overliming. The database used contained 600 soil samples, which were collected in coffee plantings. The LR was estimated by the methods of base saturation, neutralization of Al3+, and elevation of Ca2+ and Mg2+ contents (two formulas) and by the three calculation algorithms. Averages of the lime requirements were compared, determining the frequency distribution of the 600 lime requirements (LR) estimated through each calculation method. In soils with low cation exchange capacity at pH 7, the base saturation method may fail to adequately supply the plants with Ca and Mg in many situations, while the method of Al3+ neutralization and elevation of Ca2+ and Mg2+ contents can result in the calculation of application rates that will increase the pH above the suitable range. Among the methods studied for calculating lime requirements, the algorithm that predicts reaching a defined base saturation, with adequate Ca and Mg supply and the maximum application rate limited to the H+Al value, proved to be the most efficient calculation method, and it can be recommended for use in numerous crops conditions. MenosThe methods developed for determination of lime requirements (LR) are based on widely accepted principles. However, the formulas used for calculation have evolved little over recent decades, and in some cases there are indications of their inadequacy. The aim of this study was to compare the lime requirements calculated by three classic formulas and three algorithms, defining those most appropriate for supplying Ca and Mg to coffee plants and the smaller possibility of causing overliming. The database used contained 600 soil samples, which were collected in coffee plantings. The LR was estimated by the methods of base saturation, neutralization of Al3+, and elevation of Ca2+ and Mg2+ contents (two formulas) and by the three calculation algorithms. Averages of the lime requirements were compared, determining the frequency distribution of the 600 lime requirements (LR) estimated through each calculation method. In soils with low cation exchange capacity at pH 7, the base saturation method may fail to adequately supply the plants with Ca and Mg in many situations, while the method of Al3+ neutralization and elevation of Ca2+ and Mg2+ contents can result in the calculation of application rates that will increase the pH above the suitable range. Among the methods studied for calculating lime requirements, the algorithm that predicts reaching a defined base saturation, with adequate Ca and Mg supply and the maximum application rate limited to the H+Al value, proved to be the most ... Mostrar Tudo |
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Thesaurus NAL: |
Calcium; Deficiency; Magnesium; Overliming; PH. |
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Categoria do assunto: |
-- |
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URL: |
http://biblioteca.incaper.es.gov.br/digital/bitstream/item/2703/1/BRT-classical-methods-and-calculation-algorithms-for-determining-lime-requirements.pdf
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Marc: |
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024 7 $ahttp://dx.doi.org/10.1590/18069657rbcs20160069$2DOI
100 1 $aGUARÇONI M., A.
245 $aClassical methods and calculation algorithms for determining lime requirements.$h[electronic resource]
260 $c2017
520 $aThe methods developed for determination of lime requirements (LR) are based on widely accepted principles. However, the formulas used for calculation have evolved little over recent decades, and in some cases there are indications of their inadequacy. The aim of this study was to compare the lime requirements calculated by three classic formulas and three algorithms, defining those most appropriate for supplying Ca and Mg to coffee plants and the smaller possibility of causing overliming. The database used contained 600 soil samples, which were collected in coffee plantings. The LR was estimated by the methods of base saturation, neutralization of Al3+, and elevation of Ca2+ and Mg2+ contents (two formulas) and by the three calculation algorithms. Averages of the lime requirements were compared, determining the frequency distribution of the 600 lime requirements (LR) estimated through each calculation method. In soils with low cation exchange capacity at pH 7, the base saturation method may fail to adequately supply the plants with Ca and Mg in many situations, while the method of Al3+ neutralization and elevation of Ca2+ and Mg2+ contents can result in the calculation of application rates that will increase the pH above the suitable range. Among the methods studied for calculating lime requirements, the algorithm that predicts reaching a defined base saturation, with adequate Ca and Mg supply and the maximum application rate limited to the H+Al value, proved to be the most efficient calculation method, and it can be recommended for use in numerous crops conditions.
650 $aCalcium
650 $aDeficiency
650 $aMagnesium
650 $aOverliming
650 $aPH
700 1 $aSOBREIRA, F. M.
773 $tRevista Brasileira de Ciência do Solo [online]$gv. 41, 2017.
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