Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Cláudio Guilherme Portela de Carvalho"'
Autor:
Ana Cláudia Barneche de Oliveira, Eduardo Bezerra de Morães, Rodrigo Pires, Alessandro Guerra da Silva, Cláudio Guilherme Portela de Carvalho
Publikováno v:
Semina: Ciências Agrárias, Vol 30, Iss 1, Pp 31-38 (2009)
With the objective of evaluating the effect of row spacing in the agronomic characteristics of three hybrids of sunflower, a trial was carried out on the FESURV–Universidade de Rio Verde experimental campus in Rio Verde, GO. The hybrids Agrobel 960
Externí odkaz:
https://doaj.org/article/3f7adaa62008427db3661c2ca2914445
Autor:
Ana Cláudia Barneche de Oliveira, Cláudio Guilherme Portela de Carvalho, Rodrigo Pires, Eduardo Bezerra de Morães, Alessandro Guerra da Silva, Itamar Rosa Teixeira
Publikováno v:
Pesquisa Agropecuária Tropical, Vol 39, Iss 2, Pp 105-110 (2009)
The objective of the research was to evaluate the effects of row spacing on agronomic characteristics of three sunflower hybrids. The trial was carried out in Rio Verde, Goiás State, Brazil. The hybrids tested were Agrobel 960, BRHS 5, and Hélio 25
Externí odkaz:
https://doaj.org/article/1ce32aabe78e45d28cff934987740526
Autor:
José Francisco Ferraz de Toledo, Cláudio Guilherme Portela de Carvalho, Carlos Alberto Arrabal Arias, Leones Alves de Almeida, Rodrigo Luis Brogin, Marcelo Fernandes de Oliveira, José Ubirajara Vieira Moreira, Aliny Simony Ribeiro, Dario Minoru Hiromoto
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 41, Iss 5, Pp 785-791 (2006)
The objective of this work was to investigate the genotype-environment interaction in Mato Grosso State, MT. The relative importance of locations, years, sowing dates and cultivars and their interactions was analyzed from data collected in regional y
Externí odkaz:
https://doaj.org/article/ecdbe53ec3894e2c8b4d86ca7aafbc76
Autor:
José Roberto Brito Freitas, Francirose Shigaki, Ludhanna Marinho Veras, Elane Tyara de Jesus Siqueira, Marcos Gervasio Pereira, Cláudio Guilherme Portela de Carvalho, Mayanna Karlla Lima Costa
Publikováno v:
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
Part of the energy consumed in the world comes from limited sources, which eventually are expected to be depleted. The search for alternative sources to meet energy needs is crucial. Biodiesel derived from vegetable oils and animal fats stands out as
Autor:
Luciana Marques de Carvalho, Hélio Wilson Lemos de Carvalho, Claudio Guilherme Portela de Carvalho
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 55 (2020)
Abstract: The objective of this work was to identify the sunflower (Helianthus annuus) cultivar with the highest yield potential for cultivation in the semiarid region of the Brazilian Northeast, under field conditions, with supplementary irrigation.
Externí odkaz:
https://doaj.org/article/3b03bc3f25ba42cfa6d771575db5292f
Autor:
Luciana Marques de Carvalho, Stela Braga de Araújo, Hélio Wilson Lemos de Carvalho, Claudio Guilherme Portela de Carvalho
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 53, Iss 8, Pp 970-973 (2018)
Abstract: The objective of this work was to evaluate the proline content of sunflower (Helianthus annuus) cultivars, in the conditions of natural water deficit in the Brazilian semiarid region. Thirteen cultivars were sown in experiments set in three
Externí odkaz:
https://doaj.org/article/c74b777e8cf24e5d8257ef962fc91ea2
Autor:
Flávio Carlos Dalchiavon, Claudio Guilherme Portela de Carvalho, Renato Fernando Amabile, Vicente de Paulo Campos Godinho, Nilza Patrícia Ramos, Jefferson Luís Anselmo
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 51, Iss 11, Pp 1806-1812 (2016)
Resumo O objetivo deste trabalho foi avaliar as características agronômicas de híbridos de girassol adaptados à segunda safra e determinar as correlações entre elas. Testaram-se 15 híbridos - dois alto oleicos e 13 não alto oleicos (híbridos
Externí odkaz:
https://doaj.org/article/c55670d0bc0047c3aabbd6a379825dfe
Autor:
César Luis Tavares, Claudio Guilherme Portela de Carvalho, Manoel Carlos Bassoi, José Salvador Simoneti Foloni, Cássio Egídio Cavenaghi Prete
Publikováno v:
Semina: Ciências Agrárias, Vol 36, Iss 5, Pp 2933-2942 (2015)
O objetivo deste trabalho foi comparar métodos de adaptabilidade e a estabilidade como critérios de seleção para cultivares de trigo no Paraná. Os dados de rendimento de grãos foram obtidos de ensaios de Valor de Cultivo e Uso, avaliados em 44
Externí odkaz:
https://doaj.org/article/85269f131b6a4640adff3c39ec9c9923
Autor:
Anna Karolina Grunvald, Claudio Guilherme Portela de Carvalho, Rodrigo Santos Leite, José Marcos Gontijo Mandarino, Carlos Alberto de Bastos Andrade, Carlos Alberto Scapim
Publikováno v:
Acta Scientiarum: Agronomy, Vol 36, Iss 2, Pp 233-237 (2014)
The aim of this experiment was to calibrate the NIR spectroscopy equation to evaluate the oil content of sunflower seeds from different genotypes produced under different environmental conditions in Brazil. The spectra of 901 standard samples obtaine
Externí odkaz:
https://doaj.org/article/c946b50e8b914c038ca8c57bae43b12a
Autor:
Roberta Rossato, Cássio Egídio Cavenaghi Prete, César de Castro, Gilberto Omar Tomm, Rodrigo Santos Leite, José Marcos Gontijo Mandarino, Pedro Mário de Araújo, Claudio Guilherme Portela de Carvalho
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 48, Iss 12, Pp 1601-1605 (2013)
The objective of this work was to establish a calibration equation and to estimate the efficiency of near-infrared reflectance (NIR) spectroscopy for evaluating rapeseed oil content in Southern Brazil. Spectral data from 124 half-sib families were co
Externí odkaz:
https://doaj.org/article/065bdd9380764f18b45063c0f47c9a9a