Download - Apresentação Arroz
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Cultura do arroz
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1) Origem e Histórico • Gregos (326 a.C) – Sul da Índia – China• Espanhóis - Itália (séc. XV d.C) • Portugueses - Oryza sativa L - na África
Ocidental-África Oriental- Brasil (século XVIII)
Composição nutricional: 20% energia 15% proteína.
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2. PRODUÇÃO MUNDIAL E NACIONAL
Produção mundial - 618 milhões de toneladas
Consumo - 620 milhões de toneladas 2009/10 – produção mundial:
crescimento <1% / ano – consumo >1% / ano
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Produção Nacional de Grãos
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Produção nacional
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Produção nacional
2005
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3. CLASSIFICAÇÃO BOTÂNICA
Classe FamíliaGênero: 25 espécies.
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Panícula
Espigueta
Ráquis
Anteras
Ovário
Estigma
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Bainha foliar
Colar foliar
Limbo foliar
Aurícula
Lígula
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Semente (Cariopse)
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Epiderme
Camada de aleuronaTesta
Estrutura interna de uma cariopse
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Oryza glaberrima
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Raças de Oryza glaberrima
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Oryza rufipogon(progenitor O. sativa)
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Oryza sativa
Oryza rufipogon
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Oryza sativa
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4. SISTEMAS DE CULTIVO
4.1. Cultura do Arroz de Sequeiro
Preparo do Solo – Implementos agrícolas
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Aplicação de calcário
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Conjunto sulcador-adubador
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Semeadora
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Aplicador de adubo NPK
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Plantio manual
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Máquina de transplantio de arroz
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