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Mostrando ítems 51-60 de 1321
Analise fitossociologica do cerrado da fazenda marflora.
(Pesquisa Agropecuaria Brasileira, Brasilia, v.30, n.5, p.577-582, maio 1995., 2011)
Banco de sementes em cerrado sensu stricto sob queimada e sistemas de cultivo.
(Pesquisa Agropecuária Brasileira, Brasilia, DF, v. 43, n.6, p.667-673, jun. 2008., 2011)
Análise do estado de conservação do manguezal do rio Sergipe
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Ecologia e Recursos Naturais - PPGERNCâmpus São Carlos, 2016-12-01)
Mangroves are ecological systems at the interface between marine and terrestrial regions and subjected to natural disturbances of the stressful environment and anthropogenic actions due to urban development. The mangrove ...
Phytosociology of weeds associated with rice crops in the department of Tolima, Colombia
(Universidad Nacional de Colombia, 2015-01-01)
Phytosociological studies allow for the characterization and descriptive analysis of weed communities in crops. This study aimed to characterize the weed communities associated with weed crops in the “Centro, Meseta, and ...
Pasture weed biology and management in Brazil
(Univ Estadual Londrina, 2022-01-01)
The livestock production model historically practiced in Brazil has a strong extractive bias, wherein the premise is to produce livestock with absolutely no concern for the preservation or renewal of environmental resources. ...
Periods of weed interference in maize crops cultivated in the first and second cycles
(2016-09-01)
The interference of weeds in maize production may be reflected in grain yield losses that vary as a function of the density, stage and degree of aggressiveness of the species present. In the agricultural ecosystem, crops ...
Interference of a weed community in the soybean crop in functions of sowing spacing
(2017-01-01)
The use of double row spacing on soybean crop is recent and consists of a new soybean production technology in Brazil and worldwide, so weed interference may be different in relation to single crop row. Thus, the objective ...