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 | Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com cpac.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados; Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
03/01/2020 |
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Data da última atualização: |
23/01/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
VIEIRA, E. A.; FIALHO, J. de F.; JULIO, L. de; CARVALHO, L. J. C. B.; CORTE, J. L. D.; RINALDI, M. M.; OLIVEIRA, C. M. de; FERNANDES, F. D.; ANJOS, J. de R. N. dos. |
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Afiliação: |
EDUARDO ALANO VIEIRA, CPAC; JOSEFINO DE FREITAS FIALHO, CPAC; LAERCIO DE JULIO; LUIZ JOAQUIM CASTELO B CARVALHO, Cenargen; JOAO LUIS DALLA CORTE, CPAC; MARIA MADALENA RINALDI, CPAC; CHARLES MARTINS DE OLIVEIRA, CPAC; FRANCISCO DUARTE FERNANDES, CPAC; JOSE DE RIBAMAR N DOS ANJOS, CPAC. |
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Título: |
BRS 400 and BRS 401, sweet cassava cultivars with pink roots developed by participatory breeding. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, v. 19 n. 4, p. 501-504, 2019 |
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DOI: |
10.1590/1984-70332019v19n4c73 |
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Idioma: |
Inglês |
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Palavras-Chave: |
Manihot esculenta Crantz; Participatory plant breeding. |
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Thesaurus Nal: |
Lycopene. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00828naa a2200253 a 4500
001 2119280
005 2020-01-23
008 2019 bl uuuu u00u1 u #d
024 7 $a10.1590/1984-70332019v19n4c73$2DOI
100 1 $aVIEIRA, E. A.
245 $aBRS 400 and BRS 401, sweet cassava cultivars with pink roots developed by participatory breeding.$h[electronic resource]
260 $c2019
650 $aLycopene
653 $aManihot esculenta Crantz
653 $aParticipatory plant breeding
700 1 $aFIALHO, J. de F.
700 1 $aJULIO, L. de
700 1 $aCARVALHO, L. J. C. B.
700 1 $aCORTE, J. L. D.
700 1 $aRINALDI, M. M.
700 1 $aOLIVEIRA, C. M. de
700 1 $aFERNANDES, F. D.
700 1 $aANJOS, J. de R. N. dos
773 $tCrop Breeding and Applied Biotechnology$gv. 19 n. 4, p. 501-504, 2019
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Registro original: |
Embrapa Cerrados (CPAC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos; Embrapa Meio-Norte. |
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Data corrente: |
31/07/2023 |
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Data da última atualização: |
23/08/2023 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 4 |
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Autoria: |
ARAÚJO, M. D. M.; PRIMO, A. A.; FERNANDES, J. K. S.; VIEIRA, L. V.; CLARK, M. V. G.; GUEDES, F. L.; POMPEU, R. C. F. F.; SAGRILO, E.; SOUZA, H. A. de. |
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Afiliação: |
MARIA DIANA MELO ARAÚJO, STATE UNIVERSITY OF ACARAÚ VALLEY; ANACLAUDIA ALVES PRIMO, FEDERAL UNIVERSITY OF CEARÁ; JOSE KIOMA SOUSA FERNANDES, STATE UNIVERSITY OF ACARAÚ; LUCAS VASCONCELOS VIEIRA, SCHOOL OF AGRICULTURE SCIENCES, SÃO PAULO STATE UNIVERSITY; MARCUS VINÍCIUS GUIMARÃES CLARK, FEDERAL UNIVERSITY OF PIAUÍ; FERNANDO LISBOA GUEDES, CNPC; ROBERTO CLAUDIO FERNANDES F POMPEU, CNPC; EDVALDO SAGRILO, CPAMN; HENRIQUE ANTUNES DE SOUZA, CPAMN. |
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Título: |
Different sources of nitrogen fertilizer in rainfed maize grown in a semiarid environment. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Arid Land Research and Management, p. 1-20, Jul. 2023. Published online. |
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DOI: |
https://doi.org/10.1080/15324982.2023.2240745 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Although nitrogen is the nutrient most required by maize, doses of N lower than those recommended are applied to maize grown in semiarid environments, which limits the achievement of profitable yields. The objective of this study was to evaluate changes in soil fertility, nutritional status and dry matter production of maize plants fertilized with organic and mineral fertilizers in a semiarid region. A factorial experiment was carried out in Sobral, Ceará state, Brazil, in a randomized block design. The factors were two N sources (organic compost and urea), and four N rates: 27.5, 55, 110 and 165 kg ha−1, with three replications. We assessed variables associated with soil fertility, plant nutritional status, chlorophyll content, grain yield and total dry matter production. The highest rates of organic compost resulted in the highest levels of P (17.7 mg dm−3) and K (102.2 mg dm−3) in soil when compared to the control (7.7 and 69.0 mg dm−3, respectively). However, organic compost rates below 110 kg ha−1 of N-equivalent fertilizer were not enough to supply the plants’ demand for P and K. Low N rates promoted a decrease in soil inorganic N in the second year of application. Applying urea to maize plants led to greater dry matter production than organic compost in the second consecutive crop season. The use of organic compost at rates lower than 110 kg ha−1 of N-equivalent fertilizer decreases soil fertility and has no impact on maize dry matter production. MenosAbstract: Although nitrogen is the nutrient most required by maize, doses of N lower than those recommended are applied to maize grown in semiarid environments, which limits the achievement of profitable yields. The objective of this study was to evaluate changes in soil fertility, nutritional status and dry matter production of maize plants fertilized with organic and mineral fertilizers in a semiarid region. A factorial experiment was carried out in Sobral, Ceará state, Brazil, in a randomized block design. The factors were two N sources (organic compost and urea), and four N rates: 27.5, 55, 110 and 165 kg ha−1, with three replications. We assessed variables associated with soil fertility, plant nutritional status, chlorophyll content, grain yield and total dry matter production. The highest rates of organic compost resulted in the highest levels of P (17.7 mg dm−3) and K (102.2 mg dm−3) in soil when compared to the control (7.7 and 69.0 mg dm−3, respectively). However, organic compost rates below 110 kg ha−1 of N-equivalent fertilizer were not enough to supply the plants’ demand for P and K. Low N rates promoted a decrease in soil inorganic N in the second year of application. Applying urea to maize plants led to greater dry matter production than organic compost in the second consecutive crop season. The use of organic compost at rates lower than 110 kg ha−1 of N-equivalent fertilizer decreases soil... Mostrar Tudo |
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Palavras-Chave: |
Adubação orgânica; Região semiárida. |
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Thesagro: |
Estado Nutricional; Fertilidade do Solo; Nutrição Vegetal; Zea Mays. |
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Thesaurus NAL: |
Brazil; Dry matter content; Nutritional status; Plant nutrition; Semiarid zones; Soil fertility. |
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Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
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Marc: |
LEADER 02685naa a2200373 a 4500
001 2155520
005 2023-08-23
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1080/15324982.2023.2240745$2DOI
100 1 $aARAÚJO, M. D. M.
245 $aDifferent sources of nitrogen fertilizer in rainfed maize grown in a semiarid environment.$h[electronic resource]
260 $c2023
520 $aAbstract: Although nitrogen is the nutrient most required by maize, doses of N lower than those recommended are applied to maize grown in semiarid environments, which limits the achievement of profitable yields. The objective of this study was to evaluate changes in soil fertility, nutritional status and dry matter production of maize plants fertilized with organic and mineral fertilizers in a semiarid region. A factorial experiment was carried out in Sobral, Ceará state, Brazil, in a randomized block design. The factors were two N sources (organic compost and urea), and four N rates: 27.5, 55, 110 and 165 kg ha−1, with three replications. We assessed variables associated with soil fertility, plant nutritional status, chlorophyll content, grain yield and total dry matter production. The highest rates of organic compost resulted in the highest levels of P (17.7 mg dm−3) and K (102.2 mg dm−3) in soil when compared to the control (7.7 and 69.0 mg dm−3, respectively). However, organic compost rates below 110 kg ha−1 of N-equivalent fertilizer were not enough to supply the plants’ demand for P and K. Low N rates promoted a decrease in soil inorganic N in the second year of application. Applying urea to maize plants led to greater dry matter production than organic compost in the second consecutive crop season. The use of organic compost at rates lower than 110 kg ha−1 of N-equivalent fertilizer decreases soil fertility and has no impact on maize dry matter production.
650 $aBrazil
650 $aDry matter content
650 $aNutritional status
650 $aPlant nutrition
650 $aSemiarid zones
650 $aSoil fertility
650 $aEstado Nutricional
650 $aFertilidade do Solo
650 $aNutrição Vegetal
650 $aZea Mays
653 $aAdubação orgânica
653 $aRegião semiárida
700 1 $aPRIMO, A. A.
700 1 $aFERNANDES, J. K. S.
700 1 $aVIEIRA, L. V.
700 1 $aCLARK, M. V. G.
700 1 $aGUEDES, F. L.
700 1 $aPOMPEU, R. C. F. F.
700 1 $aSAGRILO, E.
700 1 $aSOUZA, H. A. de
773 $tArid Land Research and Management, p. 1-20, Jul. 2023. Published online.
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