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Registro Completo |
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
03/12/2020 |
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Data da última atualização: |
03/12/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PEREIRA, G. E.; MELO, J. W. P. de; RAGASSI, C. F.; CARVALHO, A. D. F. de; SILVA, J. da; SILVA, G. O. da; VILELA, M. S. |
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Afiliação: |
GABRIEL EMILIANO PEREIRA, Universidade de Brasília; JACKSON WILLIAN PACHECO DE MELO, Universidade de Brasília; CARLOS FRANCISCO RAGASSI, CNPH; AGNALDO D FERREIRA DE CARVALHO, CNPH; JUSCIMAR DA SILVA, CNPH; GIOVANI OLEGARIO DA SILVA, CNPH; MICHELLE SOUSA VILELA, Universidade de Brasília. |
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Título: |
Macronutrient accumulation curves in potato genotypes in the Brazilian Savanna. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Pesquisa Agropecuária Tropical (Online), v. 50, 2020. e64416. |
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ISSN: |
1983-4063 |
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Idioma: |
Inglês |
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Conteúdo: |
This study aimed to determine and compare the macronutrient accumulation curves in the Agata, Asterix, BRSIPR Bel and F183-08-01 potato genotypes, in order to subsidize the split fertilization that could meet the specific demands of each genotype. A randomized block design was used, with the treatments (genotypes × plant stages) arranged in a split-plot scheme, with three replications. The genotypes were grown in plots containing 75 plants each. The subplots within a plot contained four plants each and corresponded to the number of days after planting, when destructive samples of whole plants were collected. The plants from the subplots were harvested at 24, 38, 52, 66 and 80 days after planting, to estimate the dry mass accumulated by different parts of the plant (shoots + roots, tubers and whole plants), as well as to determine the macronutrient accumulation curves. F183-08-01 presented the highest total accumulation of N, Ca, Mg and S (141.37, 29.21, 25.16 and 22.36 kg ha-1, respectively). The highest rates of macronutrient accumulation for all the potato genotypes occurred at 24 days after planting, coinciding with the beginning of the tubers formation. |
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Thesagro: |
Adubação; Solanum Tuberosum. |
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Thesaurus Nal: |
Nutrient uptake; Split application. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/218640/1/64416-Texto-do-artigo-301679-1-10-20201127.pdf
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Marc: |
LEADER 01912naa a2200253 a 4500
001 2127519
005 2020-12-03
008 2020 bl uuuu u00u1 u #d
022 $a1983-4063
100 1 $aPEREIRA, G. E.
245 $aMacronutrient accumulation curves in potato genotypes in the Brazilian Savanna.$h[electronic resource]
260 $c2020
520 $aThis study aimed to determine and compare the macronutrient accumulation curves in the Agata, Asterix, BRSIPR Bel and F183-08-01 potato genotypes, in order to subsidize the split fertilization that could meet the specific demands of each genotype. A randomized block design was used, with the treatments (genotypes × plant stages) arranged in a split-plot scheme, with three replications. The genotypes were grown in plots containing 75 plants each. The subplots within a plot contained four plants each and corresponded to the number of days after planting, when destructive samples of whole plants were collected. The plants from the subplots were harvested at 24, 38, 52, 66 and 80 days after planting, to estimate the dry mass accumulated by different parts of the plant (shoots + roots, tubers and whole plants), as well as to determine the macronutrient accumulation curves. F183-08-01 presented the highest total accumulation of N, Ca, Mg and S (141.37, 29.21, 25.16 and 22.36 kg ha-1, respectively). The highest rates of macronutrient accumulation for all the potato genotypes occurred at 24 days after planting, coinciding with the beginning of the tubers formation.
650 $aNutrient uptake
650 $aSplit application
650 $aAdubação
650 $aSolanum Tuberosum
700 1 $aMELO, J. W. P. de
700 1 $aRAGASSI, C. F.
700 1 $aCARVALHO, A. D. F. de
700 1 $aSILVA, J. da
700 1 $aSILVA, G. O. da
700 1 $aVILELA, M. S.
773 $tPesquisa Agropecuária Tropical (Online)$gv. 50, 2020. e64416.
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Embrapa Hortaliças (CNPH) |
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