Demóstenes Marcos Pedrosa de Azevedo
Empresa Brasileira de Pesquisa Agropecuária
Network
Latest external collaboration on country level. Dive into details by clicking on the dots.
Hotspot
Dive into the research topics where Demóstenes Marcos Pedrosa de Azevedo is active.
Publication
Featured researches published by Demóstenes Marcos Pedrosa de Azevedo.
Pesquisa Agropecuaria Brasileira | 1999
Demóstenes Marcos Pedrosa de Azevedo; Juan Landivar; Robson de Macedo Vieira; Daryl Moseley
Crop rotation and cover crop can be important means for enhancing crop yield in rainfed areas such as the lower Coastal Bend Region of Texas, USA. A trial was conducted in 1995 as part of a long-term cropping experiment (7 years) to investigate the effect of oat (Avena sativa L.) cover and rotation on soil water storage and yield of sorghum (Sorghum bicolor L.). The trial design was a RCB in a split-plot arrangement with four replicates. Rotation sequences were the main plots and oat cover crop the subplots. Cover crop reduced sorghum grain yield. This effect was attributed to a reduced concentration of available soil N and less soil water storage under this treatment. By delaying cover termination, the residue with a high C/N acted as an N sink through competition and/or immobilization instead of an N source to sorghum plants. Crop rotation had a significantly positive effect on sorghum yield and this effect was attributed to a significantly larger amount of N concentration under these rotation sequences.
Pesquisa Agropecuaria Brasileira | 1994
Demóstenes Marcos Pedrosa de Azevedo; Napoleão Esberard de Macêdo Beltrão; Laudemiro Baldoíno da Nóbrega; José Wellington dos Santos; D. J. Vieira
Pesquisa Agropecuaria Brasileira | 1993
Laudemiro Baldoíno da Nóbrega; Napoleão Esberard de Macêdo Beltrão; D. J. Vieira; Mauto de Sousa Diniz; Demóstenes Marcos Pedrosa de Azevedo
Pesquisa Agropecuaria Brasileira | 1997
Napoleão Esberard de Macêdo Beltrão; Demóstenes Marcos Pedrosa de Azevedo; Laudemiro Baldoíno da Nóbrega; José Wellington dos Santos
Pesquisa Agropecuaria Brasileira | 1986
Napoleão Esberard de Macêdo Beltrão; Laudemiro Baldoíno da Nóbrega; Demóstenes Marcos Pedrosa de Azevedo; Dirceu J. Vieira; João Ribeiro Crisóstomo
Pesquisa Agropecuaria Brasileira | 1993
Demóstenes Marcos Pedrosa de Azevedo; Napoleão Esberard de Macêdo Beltão; D. J. Vieira; Laudemiro Baldoíno da Nóbrega
Pesquisa Agropecuaria Brasileira | 1988
Demóstenes Marcos Pedrosa de Azevedo; Laudemiro Baldoíno da Nóbrega; Napoleão Esberard de Macêdo Beltrão
Pesquisa Agropecuaria Brasileira | 1997
E. F. Lima; F. A. S. Batista; Demóstenes Marcos Pedrosa de Azevedo
Pesquisa Agropecuaria Brasileira | 1990
Napoleão Esberard de Macêdo Beltrão; Laudomiro Baldoíno da Nóbrega; D. J. Vieira; Demóstenes Marcos Pedrosa de Azevedo; Roberto Pequeno de Sousa
Pesquisa Agropecuaria Brasileira | 1986
Napoleão Esberard de Macêdo Beltrão; Dirceu J. Vieira; Demóstenes Marcos Pedrosa de Azevedo; Laudemiro Baldoíno da Nóbrega
Collaboration
Dive into the Demóstenes Marcos Pedrosa de Azevedo's collaboration.
Napoleão Esberard de Macêdo Beltrão
Empresa Brasileira de Pesquisa Agropecuária
View shared research outputs