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Search on : SPEHAR, CARLOS ROBERTO [Author]
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 Guelfi-Silva, Douglas Ramos et al. Agronomic efficiency of potassium fertilization in lettuce fertilized with alternative nutrient sources. Rev. Ciênc. Agron., June 2013, vol.44, no.2, p.267-277. ISSN 1806-6690


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 Silva, Douglas Ramos Guelfi et al. Characterization and nutrient release from silicate rocks and influence on chemical changes in soil. Rev. Bras. Ciênc. Solo, June 2012, vol.36, no.3, p.951-962. ISSN 0100-0683


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 Spehar, Carlos Roberto, Rocha, Juliana Evangelista da Silva and Santos, Roberto Lorena de Barros Desempenho agronômico e recomendações para cultivo de quinoa (brs syetetuba) no cerrado. Pesqui. Agropecu. Trop., Mar 2011, vol.41, no.1, p.145-147. ISSN 1983-4063


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 Sano, Sueli Matiko, Vivaldi, Lucio Jose and Spehar, Carlos Roberto Diversidade morfológica de frutos e sementes de baru (Dipteryx alata Vog.). Pesq. agropec. bras., Abr 1999, vol.34, no.4, p.513-518. ISSN 0100-204X


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 Spehar, Carlos Roberto. Diallel analysis for grain yield and mineral absorption rate of soybeans grown in acid brazilian savannah soil. Pesq. agropec. bras., June 1999, vol.34, no.6, p.1002-1009. ISSN 0100-204X


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 Spehar, Carlos Roberto and Santos, Roberto Lorena de Barros Agronomic performance of quinoa selected in the Brazilian Savannah. Pesq. agropec. bras., June 2005, vol.40, no.6, p.609-612. ISSN 0100-204X


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 Souza, Luiz Augusto Copati, Spehar, Carlos Roberto and Santos, Roberto Lorena Bastos Análise de imagem para determinação do teor de saponina em quinoa. Pesq. agropec. bras., Abr 2004, vol.39, no.4, p.397-401. ISSN 0100-204X


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 Santos, Roberto Lorena de Barros, Spehar, Carlos Roberto and Vivaldi, Lucio Quinoa (Chenopodium quinoa) reaction to herbicide residue in a Brazilian Savannah soil. Pesq. agropec. bras., June 2003, vol.38, no.6, p.771-776. ISSN 0100-204X


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 Spehar, Carlos Roberto et al. Amaranto BRS Alegria: alternativa para diversificar os sistemas de produção. Pesq. agropec. bras., Maio 2003, vol.38, no.5, p.659-663. ISSN 0100-204X


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 Teixeira, Danielly Leite, Spehar, Carlos Roberto and Souza, Luiz Augusto Copati Caracterização agronômica de amaranto para cultivo na entressafra no Cerrado. Pesq. agropec. bras., Jan 2003, vol.38, no.1, p.45-51. ISSN 0100-204X


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