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Landscape complexity affects cover and species richness of weeds in Brazilian agricultural environments
(2016-12-01)
The influence of the landscape context on weed communities in farmland has been investigated mostly in temperate regions, while there is a paucity of information for the Neotropics. The aim of this study was to estimate ...
Períodos de interferência das plantas daninhas em algodoeiro de fibra colorida ‘BRS Safira’
(Univ Federal Ceara, Dept Geol, 2010-07-01)
This study aimed to determine the late-season presence of weeds in reddish brown cotton (cultivar BRS Safira) and the critical times for removing weeds. The experiment was carried out in the area of Empresa Brasileira de ...
Mites (Acari) inhabiting Jatropha curcas L. (Euphorbiaceae) crops: The role of seasonality and weeds
(2016-01-01)
Mite communities inhabiting crops are influenced by several environmental factors, e.g. rainfall, seasonality and the presence of weeds within the plantation. In this study, we seek to clarify the seasonality patterns of ...
Efeito de diferentes períodos de controle das plantas daninhas na produtividade da cultura da cebola
(Sociedade Brasileira da Ciência das Plantas Daninhas, 2004-12-01)
Foi realizado um experimento em Monte Alto-SP, visando estudar os efeitos de diferentes períodos de controle das plantas daninhas sobre a produção de bulbos da cultura da cebola (Allium cepa), cultivar 'Mercedes', no sistema ...
Interferência das plantas daninhas no amendoinzeiro
(Universidade Estadual Paulista (Unesp), 2009-07-03)
O presente trabalho foi conduzido com o objetivo de se determinar o efeito da adubação sobre o período anterior à interferência (PAI) das plantas daninhas na cultura do amendoim, cv. Runner IAC 886, semeada no sistema ...
Interferência das plantas daninhas no amendoinzeiro
(Universidade Estadual Paulista (Unesp), 2009-07-03)
O presente trabalho foi conduzido com o objetivo de se determinar o efeito da adubação sobre o período anterior à interferência (PAI) das plantas daninhas na cultura do amendoim, cv. Runner IAC 886, semeada no sistema ...
Interferência alelopática de extratos de plantas de cobertura sobre a germinação de plantas daninhas
(AgronomiaDois VizinhosBrasilUniversidade Tecnológica Federal do ParanáUTFPR, 2018-12-03)
The rampant and incorrect utilization of herbicides has been causing problems such as the resistance of weeds and environmental pollution. In order to reduce the damage caused by the excessive use of agrochemicals, the ...
Interference of Urochloa decumbens and Panicum maximum in the initial growth of six clones of Eucalyptus urograndis
(2017-01-01)
Weeds play a strong pressure on the eucalyptus early growth, leading to a delay in their development. Therefore, many studies have tried to identify eucalyptus clones that are more tolerant to weed competition to supply ...
Períodos de interferência de plantas daninhas na cultura do girassol
(2013-09-01)
The interference of weeds in sunflower cultivation can significantly reduce the productivity of achenes. The objective of this study was to determine the period before interference and total period of interference of the ...