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Registro Completo |
Biblioteca(s): |
Embrapa Pesca e Aquicultura. |
Data corrente: |
29/11/2018 |
Data da última atualização: |
04/12/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
ALMEIDA, R. E. M. de; FAVARIN, J. L.; OTTO, R.; FRANCO, H.; REIS, A. F. B.; MOREIRA, L. A.; TRIVELIN, P. |
Afiliação: |
RODRIGO ESTEVAM MUNHOZ DE ALMEIDA, CNPASA; JOSE LAERCIO FAVARIN, ESALQ; RAFEL OTTO, ESALQ; HENRIQUE FRANCO; ANDRÉ FROES BORJA REIS, ESALQ; LILIAN ANGELICA MOREIRA, ESALQ; PAULO TRIVELIN, CENA. |
Título: |
Nitrogen recovery efficiency for corn intercropped with palisade grass. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
Bragantia, v. 77, n. 4, p. 557-566, 2018. |
DOI: |
10.1590/1678-4499.2017242 |
Idioma: |
Inglês |
Conteúdo: |
Intercropping corn and palisade grass is a technique to increase straw production, soil C contents, nutrient cycling and crop yield. However, concerns arise from nitrogen (N) uptake by the intercropping crop causing reduction in the yield of the corn. Our objective was to evaluate N recovery efficiency (NRE), and the N dynamics in the soil-plant system in corn intercropped with palisade grass. A field trial was carried out in Bahia, Brazil, evaluating two cropping systems: corn (monoculture) and corn intercropped with palisade grass sowed between rows on the same day as the corn crop, with four replicates in a completely randomized block design. Nitrogen (150 kg∙ha?1of 15N-urea) was applied at sowing to determine NRE, which means the amounts of N-fertilizer uptake in corn and palisade grass, the amounts of N-fertilizer in soil and the 15N-fertilizer balance. Neither the NRE (63.3% in monoculture and 57.2% in intercropping) nor corn grain yield (9,800 kg∙ha?1 in monoculture and 9,671 kg∙ha?1 in intercropping) was affected by intercropping, which accumulated only 2.1 kg∙ha?1 of N-fertilizer or 1.4% N rate. In addition, palisade grass yielded 2,265 kg∙ha?1 of dry matter. The balance indicated that 82.4% of N-fertilizer was recovered in the monoculture and 86.9% in the intercropping. Intercropping palisade grass does not affect grain yield or N corn nutrition and has the potential to increase straw production contributing to maintenance of no-till. |
Thesagro: |
Cerrado; Milho; Nitrogênio; Plantio Direto; Zea Mays. |
Thesaurus Nal: |
Corn; Grasses; Nitrogen; No-tillage; Urochloa ruziziensis. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/187284/1/CNPASA-2018-bragantia.pdf
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Marc: |
LEADER 02349naa a2200325 a 4500 001 2100320 005 2018-12-04 008 2018 bl uuuu u00u1 u #d 024 7 $a10.1590/1678-4499.2017242$2DOI 100 1 $aALMEIDA, R. E. M. de 245 $aNitrogen recovery efficiency for corn intercropped with palisade grass.$h[electronic resource] 260 $c2018 520 $aIntercropping corn and palisade grass is a technique to increase straw production, soil C contents, nutrient cycling and crop yield. However, concerns arise from nitrogen (N) uptake by the intercropping crop causing reduction in the yield of the corn. Our objective was to evaluate N recovery efficiency (NRE), and the N dynamics in the soil-plant system in corn intercropped with palisade grass. A field trial was carried out in Bahia, Brazil, evaluating two cropping systems: corn (monoculture) and corn intercropped with palisade grass sowed between rows on the same day as the corn crop, with four replicates in a completely randomized block design. Nitrogen (150 kg∙ha?1of 15N-urea) was applied at sowing to determine NRE, which means the amounts of N-fertilizer uptake in corn and palisade grass, the amounts of N-fertilizer in soil and the 15N-fertilizer balance. Neither the NRE (63.3% in monoculture and 57.2% in intercropping) nor corn grain yield (9,800 kg∙ha?1 in monoculture and 9,671 kg∙ha?1 in intercropping) was affected by intercropping, which accumulated only 2.1 kg∙ha?1 of N-fertilizer or 1.4% N rate. In addition, palisade grass yielded 2,265 kg∙ha?1 of dry matter. The balance indicated that 82.4% of N-fertilizer was recovered in the monoculture and 86.9% in the intercropping. Intercropping palisade grass does not affect grain yield or N corn nutrition and has the potential to increase straw production contributing to maintenance of no-till. 650 $aCorn 650 $aGrasses 650 $aNitrogen 650 $aNo-tillage 650 $aUrochloa ruziziensis 650 $aCerrado 650 $aMilho 650 $aNitrogênio 650 $aPlantio Direto 650 $aZea Mays 700 1 $aFAVARIN, J. L. 700 1 $aOTTO, R. 700 1 $aFRANCO, H. 700 1 $aREIS, A. F. B. 700 1 $aMOREIRA, L. A. 700 1 $aTRIVELIN, P. 773 $tBragantia$gv. 77, n. 4, p. 557-566, 2018.
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Embrapa Pesca e Aquicultura (CNPASA) |
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Biblioteca(s): |
Embrapa Meio-Norte. |
Data corrente: |
02/05/2022 |
Data da última atualização: |
01/09/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
FREITAS, T. K. T.; GOMES, F. de O.; ARAÚJO, M. dos S.; SILVA, I. C. V.; SILVA, D. J. S.; SILVA, K. J. D. e; ROCHA, M. de M. |
Afiliação: |
THAISE KESSIANE TEIXEIRA FREITAS, UFPI, TERESINA; FERNANDA DE OLIVEIRA GOMES, UFPI, TERESINA; MAURÍCIO DOS SANTOS ARAÚJO, UFV, VIÇOSA, MG; IZABEL CRISTINA VERA SILVA, UFPI, TERESINA; DAISY JACQUELINE SOUSA SILVA, UFPI, TERESINA; KAESEL JACKSON DAMASCENO E SILVA, CPAMN; MAURISRAEL DE MOURA ROCHA, CPAMN. |
Título: |
Potential of cowpea genotypes for nutrient biofortification and cooking quality. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
Revista Ciência Agronômica, v. 53, e20218048, 2022. |
ISSN: |
1806-6690 |
DOI: |
10.5935/1806-6690.20220040 |
Idioma: |
Inglês |
Conteúdo: |
Cowpea is a very important food for the populations of the North and Northeast regions of Brazil, representing an excellent source of proteins and minerals. The purpose of this study was to evaluate the potential of 100 cowpea genotypes for biofortifi cation of iron, zinc, and proteins, and cooking quality of the grain. The iron and zinc contents were analyzed by x-ray fluorescence spectrometry; protein content was based on nitrogen determination, using the Kjeldahl method; and cooking quality was assessed using an electric pressure cooker and Mattson cooker. The superiority of genotypes for iron, zinc, proteins, and cooking quality was carried out using the nutritional quality and cooking index. The iron content ranged from 3.58 to 6.06 mg 100 g-1, with an overall average of 4.66 mg 100 g-1, while the zinc content between 2.35 and 4.57 mg 100 g-1 and average of 3.31 mg 100 g-1. Protein range ranged from 20.82 to 26.92 g 100 g-1 and an average of 24.30 g 100 g-1. The percentage of cooked grains ranged from 20 to 98%, with an average of 68.7%. The line MNC11-1023E-28 has the best profi le of nutritional and cooking quality, showing potential as a food to meet consumer demands and reverse iron and zinc defi ciency in the Brazilian population. |
Palavras-Chave: |
Porcentagem de grão cozido. |
Thesagro: |
Ferro; Grão; Proteína; Vigna Unguiculata; Zinco. |
Thesaurus NAL: |
Cooking; Grains; Iron; Protein content; Zinc. |
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1142539/1/PotencialCowpeaGenotypesBiofortificationRCA53.2022.pdf
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Marc: |
LEADER 02206naa a2200349 a 4500 001 2142539 005 2022-09-01 008 2022 bl uuuu u00u1 u #d 022 $a1806-6690 024 7 $a10.5935/1806-6690.20220040$2DOI 100 1 $aFREITAS, T. K. T. 245 $aPotential of cowpea genotypes for nutrient biofortification and cooking quality.$h[electronic resource] 260 $c2022 520 $aCowpea is a very important food for the populations of the North and Northeast regions of Brazil, representing an excellent source of proteins and minerals. The purpose of this study was to evaluate the potential of 100 cowpea genotypes for biofortifi cation of iron, zinc, and proteins, and cooking quality of the grain. The iron and zinc contents were analyzed by x-ray fluorescence spectrometry; protein content was based on nitrogen determination, using the Kjeldahl method; and cooking quality was assessed using an electric pressure cooker and Mattson cooker. The superiority of genotypes for iron, zinc, proteins, and cooking quality was carried out using the nutritional quality and cooking index. The iron content ranged from 3.58 to 6.06 mg 100 g-1, with an overall average of 4.66 mg 100 g-1, while the zinc content between 2.35 and 4.57 mg 100 g-1 and average of 3.31 mg 100 g-1. Protein range ranged from 20.82 to 26.92 g 100 g-1 and an average of 24.30 g 100 g-1. The percentage of cooked grains ranged from 20 to 98%, with an average of 68.7%. The line MNC11-1023E-28 has the best profi le of nutritional and cooking quality, showing potential as a food to meet consumer demands and reverse iron and zinc defi ciency in the Brazilian population. 650 $aCooking 650 $aGrains 650 $aIron 650 $aProtein content 650 $aZinc 650 $aFerro 650 $aGrão 650 $aProteína 650 $aVigna Unguiculata 650 $aZinco 653 $aPorcentagem de grão cozido 700 1 $aGOMES, F. de O. 700 1 $aARAÚJO, M. dos S. 700 1 $aSILVA, I. C. V. 700 1 $aSILVA, D. J. S. 700 1 $aSILVA, K. J. D. e 700 1 $aROCHA, M. de M. 773 $tRevista Ciência Agronômica$gv. 53, e20218048, 2022.
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