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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
08/03/2016 |
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Data da última atualização: |
08/03/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MOREIRA, A.; SFREDO, G. J.; MORAES, L. A. C.; FAGERIA, N. K. |
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Afiliação: |
ADONIS MOREIRA, CNPSO; GEDI JORGE SFREDO, CNPSO; LARISSA ALEXANDRA CARDOSO MORAES, CNPSO; NAND KUMAR FAGERIA, CNPAF. |
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Título: |
Agronomic efficiency of two types of lime and phosphate fertilizer sources in Brazilian Cerrado soils cultivated with soybean. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Communications in Soil Science and Plant Analysis, New York, v. 45, n. 17, p. 2319-2330, 2014. |
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DOI: |
10.1080/00103624.2014.932372 |
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Idioma: |
Inglês |
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Conteúdo: |
With the increase in phosphate fertilizer prices, there is a need to find lower-cost alternatives that are as efficient as soluble sources such as single (SSP) and triple superphosphate (TSP). In Brazil?s northern and northeastern regions, there are reserves of igneous rocks with low solubility containing high concentrations of total phosphorus (P) that can be used to produce fertilizers, such as thermalphosphates. To assess the efficiency of sources of P and two types of lime on soybean yield, a field experiment was carried out in an area with dystrophic Red Latosol (Oxisol) in a Cerrado region in the southern part of Maranhão State. The experimental design was randomized blocks in a 2 × 3 × 4 factorial scheme, with four replicates. The treatments were two types of lime [calcitic (CL) (<5 dag kg-1 of MgO) and dolomitic (DL) (>13 dag kg-1 of MgO)], three phosphate fertilizer sources [triple superphosphate (TSP), ?Yoorin? thermalphosphate (YT), and experimental thermalphosphate (ET)], and four rates of phosphorus pentoxide (P2O5; 0, 100, 200, and 300 kg ha-1). After 2 years of cultivation, the application of DL resulted in greater soybean yields than the application of CL. The two lime types influenced the pH, carbon (C), calcium (Ca), and magnesium (Mg) concentrations as well as the Ca/Mg, Ca/K, and Mg/K ratios in the soil. With respect to sources of P, the YT applied in the soil with DL produced an agronomic efficiency index (AEI) similar to that of TSP, whereas in the soil with CL, the TSP, YT, and ET were similar, with maximum technical efficiency (MTE) under both conditions starting at 230 kg ha-1 of P2O5. The critical concentration of available phosphorus (P) in the soil (Mehlich-1 extractant) for cultivation of soybean under the climate and soil conditions studied was between 5.0 and 6.0 mg kg-1. MenosWith the increase in phosphate fertilizer prices, there is a need to find lower-cost alternatives that are as efficient as soluble sources such as single (SSP) and triple superphosphate (TSP). In Brazil?s northern and northeastern regions, there are reserves of igneous rocks with low solubility containing high concentrations of total phosphorus (P) that can be used to produce fertilizers, such as thermalphosphates. To assess the efficiency of sources of P and two types of lime on soybean yield, a field experiment was carried out in an area with dystrophic Red Latosol (Oxisol) in a Cerrado region in the southern part of Maranhão State. The experimental design was randomized blocks in a 2 × 3 × 4 factorial scheme, with four replicates. The treatments were two types of lime [calcitic (CL) (<5 dag kg-1 of MgO) and dolomitic (DL) (>13 dag kg-1 of MgO)], three phosphate fertilizer sources [triple superphosphate (TSP), ?Yoorin? thermalphosphate (YT), and experimental thermalphosphate (ET)], and four rates of phosphorus pentoxide (P2O5; 0, 100, 200, and 300 kg ha-1). After 2 years of cultivation, the application of DL resulted in greater soybean yields than the application of CL. The two lime types influenced the pH, carbon (C), calcium (Ca), and magnesium (Mg) concentrations as well as the Ca/Mg, Ca/K, and Mg/K ratios in the soil. With respect to sources of P, the YT applied in the soil with DL produced an agronomic efficiency index (AEI) similar to that of TSP, whereas in the soil... Mostrar Tudo |
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Thesagro: |
Calcário; Cerrado; Fertilizante fosfatado; Manejo do solo; Soja. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/140745/1/CNPAF-2014-am.pdf
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Marc: |
LEADER 02590naa a2200229 a 4500
001 2039976
005 2016-03-08
008 2014 bl uuuu u00u1 u #d
024 7 $a10.1080/00103624.2014.932372$2DOI
100 1 $aMOREIRA, A.
245 $aAgronomic efficiency of two types of lime and phosphate fertilizer sources in Brazilian Cerrado soils cultivated with soybean.$h[electronic resource]
260 $c2014
520 $aWith the increase in phosphate fertilizer prices, there is a need to find lower-cost alternatives that are as efficient as soluble sources such as single (SSP) and triple superphosphate (TSP). In Brazil?s northern and northeastern regions, there are reserves of igneous rocks with low solubility containing high concentrations of total phosphorus (P) that can be used to produce fertilizers, such as thermalphosphates. To assess the efficiency of sources of P and two types of lime on soybean yield, a field experiment was carried out in an area with dystrophic Red Latosol (Oxisol) in a Cerrado region in the southern part of Maranhão State. The experimental design was randomized blocks in a 2 × 3 × 4 factorial scheme, with four replicates. The treatments were two types of lime [calcitic (CL) (<5 dag kg-1 of MgO) and dolomitic (DL) (>13 dag kg-1 of MgO)], three phosphate fertilizer sources [triple superphosphate (TSP), ?Yoorin? thermalphosphate (YT), and experimental thermalphosphate (ET)], and four rates of phosphorus pentoxide (P2O5; 0, 100, 200, and 300 kg ha-1). After 2 years of cultivation, the application of DL resulted in greater soybean yields than the application of CL. The two lime types influenced the pH, carbon (C), calcium (Ca), and magnesium (Mg) concentrations as well as the Ca/Mg, Ca/K, and Mg/K ratios in the soil. With respect to sources of P, the YT applied in the soil with DL produced an agronomic efficiency index (AEI) similar to that of TSP, whereas in the soil with CL, the TSP, YT, and ET were similar, with maximum technical efficiency (MTE) under both conditions starting at 230 kg ha-1 of P2O5. The critical concentration of available phosphorus (P) in the soil (Mehlich-1 extractant) for cultivation of soybean under the climate and soil conditions studied was between 5.0 and 6.0 mg kg-1.
650 $aCalcário
650 $aCerrado
650 $aFertilizante fosfatado
650 $aManejo do solo
650 $aSoja
700 1 $aSFREDO, G. J.
700 1 $aMORAES, L. A. C.
700 1 $aFAGERIA, N. K.
773 $tCommunications in Soil Science and Plant Analysis, New York$gv. 45, n. 17, p. 2319-2330, 2014.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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Origem |
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Registro |
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Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
22/12/2014 |
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Data da última atualização: |
22/12/2014 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
HIPÓLITO, L. P. T.; ABREU, M. G.; OLIVEIRA, B. C. F. S.; RIBEIRO, C. A. G.; PASTINA, M. M.; GUIMARAES, C. T.; SOUSA, S. M. de. |
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Afiliação: |
MARIA MARTA PASTINA, CNPMS; CLAUDIA TEIXEIRA GUIMARAES, CNPMS; SYLVIA MORAIS DE SOUSA TINOCO, CNPMS. |
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Título: |
Root system variation among maize inbred lines grown under differential phosphorus levels. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
In: CONGRESSO BRASILEIRO DE GENÉTICA, 60., 2014, Guarujá. Resumos. Ribeirão Preto: Sociedade Brasileira de Genética, 2014. p. 94. |
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Idioma: |
Inglês |
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Thesagro: |
Fósforo; Milho. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/114233/1/Root-system.pdf
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Marc: |
LEADER 00688nam a2200193 a 4500
001 2003449
005 2014-12-22
008 2014 bl uuuu u00u1 u #d
100 1 $aHIPÓLITO, L. P. T.
245 $aRoot system variation among maize inbred lines grown under differential phosphorus levels.$h[electronic resource]
260 $aIn: CONGRESSO BRASILEIRO DE GENÉTICA, 60., 2014, Guarujá. Resumos. Ribeirão Preto: Sociedade Brasileira de Genética, 2014. p. 94.$c2014
650 $aFósforo
650 $aMilho
700 1 $aABREU, M. G.
700 1 $aOLIVEIRA, B. C. F. S.
700 1 $aRIBEIRO, C. A. G.
700 1 $aPASTINA, M. M.
700 1 $aGUIMARAES, C. T.
700 1 $aSOUSA, S. M. de
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Embrapa Milho e Sorgo (CNPMS) |
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