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Registro Completo |
Biblioteca(s): |
Embrapa Florestas. |
Data corrente: |
06/12/2013 |
Data da última atualização: |
18/02/2014 |
Autoria: |
GOMIDE, L. R.; ARCE, J. E.; SILVA, A. C. L. da. |
Título: |
Comparação entre a meta-heurística simulated anneling e a programação linear inteira no agendamento da colheita florestal com restrições de adjacência. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
Ciência Florestal, Santa Maria, RS, v. 23, n. 2, p. 449-460, abr./jun. 2013. |
Idioma: |
Português |
Palavras-Chave: |
Colheita florestal; Forest harvest; Integer linear programming; Inteligência artificial; Programação linear inteira. |
Thesaurus Nal: |
artificial intelligence. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00741naa a2200205 a 4500 001 1973083 005 2014-02-18 008 2013 bl uuuu u00u1 u #d 100 1 $aGOMIDE, L. R. 245 $aComparação entre a meta-heurística simulated anneling e a programação linear inteira no agendamento da colheita florestal com restrições de adjacência. 260 $c2013 650 $aartificial intelligence 653 $aColheita florestal 653 $aForest harvest 653 $aInteger linear programming 653 $aInteligência artificial 653 $aProgramação linear inteira 700 1 $aARCE, J. E. 700 1 $aSILVA, A. C. L. da 773 $tCiência Florestal, Santa Maria, RS$gv. 23, n. 2, p. 449-460, abr./jun. 2013.
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Embrapa Florestas (CNPF) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Arroz e Feijão. |
Data corrente: |
12/07/2018 |
Data da última atualização: |
12/07/2018 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
FAGERIA, N. K.; SANTOS, A. B. |
Afiliação: |
NAND KUMAR FAGERIA, CNPAF; ALBERTO BAETA DOS SANTOS, CNPAF. |
Título: |
Comparative efficiency of nitrogen sources for lowland rice production. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
Communications in Soil Science and Plant Analysis, v. 49, n. 5, p. 515-525, 2018. |
ISSN: |
1532-2416 |
DOI: |
10.1080/00103624.2018.1424892 |
Idioma: |
Inglês |
Conteúdo: |
Rice (Oryza sativa L.) is the staple food for more than 50% world population and nitrogen (N) is one of the most yield-limiting nutrients for rice production worldwide. A greenhouse experiment was conducted to evaluate the efficiency of three N sources for lowland rice production. The N sources used were ammonium sulfate, common urea, and polymer-coated urea. There were three N rates, i.e. 100, 200, and 400 mg N kg-1 applied with three sources plus one control treatment (0 mg N kg-1). Growth, yield, and yield components were significantly increased either in a linear or quadratic fashion with the addition of N fertilizers in the range of 0?400 mg kg-1 soil. Maximum grain yield was obtained with the addition of ammonium sulfate at 100, 200, and 400 mg kg-1 of soil. Common urea and polymer-coated urea were more or less similar in grain production at 100 and 200 mg N kg-1. However, at 400 mg N kg-1 treatments, polymer-coated urea produced the lowest grain yield. Most of the growth and yield components were positively related to grain yield, except spikelet sterility which was negatively related to grain yield. Nitrogen use efficiency decreased with increasing N rate in all the three N sources. Maximum N use efficiency was obtained with the addition of ammonium sulfate at lower as well as at higher N rates compared with other two N sources. |
Thesagro: |
Arroz; Nitrogênio; Oryza Sativa; Ph; Ponto de Saturação; Raiz; Solo. |
Thesaurus NAL: |
Base saturation; Grain yield; Rice; Root growth; Soil pH; Yield components. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
Marc: |
LEADER 02208naa a2200313 a 4500 001 2093212 005 2018-07-12 008 2018 bl uuuu u00u1 u #d 022 $a1532-2416 024 7 $a10.1080/00103624.2018.1424892$2DOI 100 1 $aFAGERIA, N. K. 245 $aComparative efficiency of nitrogen sources for lowland rice production.$h[electronic resource] 260 $c2018 520 $aRice (Oryza sativa L.) is the staple food for more than 50% world population and nitrogen (N) is one of the most yield-limiting nutrients for rice production worldwide. A greenhouse experiment was conducted to evaluate the efficiency of three N sources for lowland rice production. The N sources used were ammonium sulfate, common urea, and polymer-coated urea. There were three N rates, i.e. 100, 200, and 400 mg N kg-1 applied with three sources plus one control treatment (0 mg N kg-1). Growth, yield, and yield components were significantly increased either in a linear or quadratic fashion with the addition of N fertilizers in the range of 0?400 mg kg-1 soil. Maximum grain yield was obtained with the addition of ammonium sulfate at 100, 200, and 400 mg kg-1 of soil. Common urea and polymer-coated urea were more or less similar in grain production at 100 and 200 mg N kg-1. However, at 400 mg N kg-1 treatments, polymer-coated urea produced the lowest grain yield. Most of the growth and yield components were positively related to grain yield, except spikelet sterility which was negatively related to grain yield. Nitrogen use efficiency decreased with increasing N rate in all the three N sources. Maximum N use efficiency was obtained with the addition of ammonium sulfate at lower as well as at higher N rates compared with other two N sources. 650 $aBase saturation 650 $aGrain yield 650 $aRice 650 $aRoot growth 650 $aSoil pH 650 $aYield components 650 $aArroz 650 $aNitrogênio 650 $aOryza Sativa 650 $aPh 650 $aPonto de Saturação 650 $aRaiz 650 $aSolo 700 1 $aSANTOS, A. B. 773 $tCommunications in Soil Science and Plant Analysis$gv. 49, n. 5, p. 515-525, 2018.
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