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Carlos Roberto Spehar

Observed names: C. R. SPEHAR, C. R. Spehar, C.R. Spehar, CARLOS R. SPEHAR, CARLOS ROBERTO SPEHAR, Carlos R Spehar, Carlos R. Spehar, Carlos Roberto SPEHAR, Carolos Roberto Spehar, SPEHAR, C. R, SPEHAR, C. R., SPEHAR, C.R., SPEHAR, CARLOS R., SPEHAR, Carlos Roberto, Spehar , Carlos R, Spehar, C.R., Spehar, Carlos, Spehar, Carlos R., Spehar, Carlos Roberto
Observed institutions: Universidade de Brasília, The University of Western Australia, Brazilian Agricultural Research Corporation, Universidad Francisco de Vitoria, University of Cambridge, Embrapa Meio-Norte, Embrapa Cerrados, Embrapa Agroindústria de Alimentos
ORCID: 0000-0002-7701-2750
Observed ORCID: 0000-0002-7701-2750
OpenAlex ID: A5072308804
Identification of drought-responsive genes in roots of upland rice (Oryza sativa L)
2008 · Aline R Rabello, Cléber M Guimarães, et al. · BMC Genomics · 132
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Impact of strategic genes in soybean on agricultural development in the Brazilian tropical savannahs
1995 · Carlos R. Spehar · Field Crops Research · 74
Characterization and nutrient release from silicate rocks and influence on chemical changes in soil
2012 · Douglas Ramos Guelfi Silva, Giuliano Marchi, et al. · Revista Brasileira de Ciência do Solo · 68
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Ammonia volatilization from enhanced-efficiency urea on no-till maize in brazilian cerrado with improved soil fertility
2016 · Eduardo Lopes Cancellier, Douglas Ramos Guelfi Silva, et al. · Ciência e Agrotecnologia · 65
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Quinoa BRS Piabiru: alternativa para diversificar os sistemas de produção de grãos
2002 · Carlos Roberto Spehar, Roberto Lorena de Barros Santos · Pesquisa Agropecuária Brasileira · 57
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Agronomic performance of quinoa selected in the Brazilian Savannah
2005 · Carlos Roberto Spehar, Roberto Lorena de Barros Santos · Pesquisa Agropecuária Brasileira · 51
Nitrogen loss by volatilization of nitrogen fertilizers applied to coffee orchard
2016 · Anderson William Dominghetti, Douglas Ramos Guelfi, et al. · Ciência e Agrotecnologia · 47
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Amaranto BRS Alegria: alternativa para diversificar os sistemas de produção
2003 · Carlos Roberto Spehar, Danielly Leite Teixeira, et al. · Pesquisa Agropecuária Brasileira · 38
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Agronomic efficiency of potassium fertilization in lettuce fertilized with alternative nutrient sources
2013 · Douglas Ramos Guelfi-Silva, Giuliano Marchi, et al. · Ciência Agronômica/Revista ciência agronômica · 29
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Effect of sowing density on plant growth and development of quinoa, genotype 4.5, in the Brazilian Savannah highlands.
2009 · Carlos Roberto Spehar, Juliana Evangelista da Silva Rocha · Bioscience Journal · 27
Diallel analysis for mineral element absorption in tropical adapted soybeans [Glycine max (L.) Merrill]
1995 · C. R. Spehar · Theoretical and Applied Genetics · 24
Estimativa De Parâmetros De Variação Genética Em Progênies F2 De Soja E Genitores Com Presença E Ausência De Lipoxigenases
2018 · Elonha Rodrigues Santos, Carlos Roberto Spehar, et al. · Nucleus · 22
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Desempenho Agronômico E Recomendações Para Cultivo De Quinoa (brs Syetetuba) No Cerrado
2011 · Carlos Roberto Spehar, Juliana Evagelista da Silva Rocha, et al. · Pesquisa Agropecuária Tropical · 22
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Aluminium tolerance of soya bean genotypes in short term experiments
1994 · C. R. Spehar · Euphytica · 22
Produtividade e qualidade da forragemde trigo-mourisco (Fagopyrum esculentum Moench) e de milheto (Pennisetum glaucum (L.) R.BR)
2016 · Angela Valentini GÖRGEN, Sergio Lucio Salomon CABRAL FILHO, et al. · Revista Brasileira de Saúde e Produção Animal · 21
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Deveria o Brasil investir em novos grãos para a sua alimentação? A proposta do amaranto (Amaranthus SP)
2015 · Jaime Amaya-Farfan, Roberto Marcílio, et al. · Segurança Alimentar e Nutricional · 20
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Selection for Aluminum Tolerance in Tropical Soybeans 1
2006 · Carlos Roberto Spehar, Luiz Augusto, et al. · Redalyc (Universidad Autónoma del Estado de México) · 19
Quinoa (Chenopodium quinoa) reaction to herbicide residue in a Brazilian Savannah soil
2003 · Roberto Lorena de Barros Santos, Carlos Roberto Spehar, et al. · Pesquisa Agropecuária Brasileira · 19
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Screening soya beans [Glycine max (L.) Merill] for calcium efficiency by root growth in low-Ca nutrient solution
1997 · C.R. Spehar, N.W. Galwey · Euphytica · 19
Adaptação da quinoa ( Chenopodium quinoa Willd.) ao cultivo nos cerrados do planalto central: resultados preliminares
1993 · Carlos Roberto Spehar, P. I. de M. de Souza · Pesquisa Agropecuária Brasileira · 19
CINÉTICA DE SECAGEM DE GRÃOS DE QUINOA (Chenopodium quinoa W.)
2017 · Eder Stolben Moscon, Samuel Martin, et al. · Revista Engenharia na Agricultura - REVENG · 18
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Seed quality of soya bean based on mineral composition of seeds of 45 varieties grown in a Brazilian Savanna acid soil
1994 · C. R. Spehar · Euphytica · 18
Field screening of soya bean (Glycine max (L.) Merrill) germplasm for aluminium tolerance by the use of augmented design
1994 · C. R. Spehar · Euphytica · 18
Yield stability of soybean cultivars in response to sowing date in the lower latitude Brazilian Savannah Highlands
2014 · C. R. SPEHAR, E. R. FRANCISCO, et al. · The Journal of Agricultural Science · 17
Caracterização agronômica de amaranto para cultivo na entressafra no Cerrado
2003 · Danielly Leite Teixeira, Carlos Roberto Spehar, et al. · Pesquisa Agropecuária Brasileira · 17
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Works count: 149
Citation count: 1,171
H-index: 19
I10-index: 38
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