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Competition of Amaranthus species with dry bean plants
(São Paulo - Escola Superior de Agricultura "Luiz de Queiroz", 2008)
Weeds compete with field crops mainly for water, light and nutrients, and this competition is among other factors, a function of the occurrence of weed density, and the intrinsic competitive ability of each vegetal species. ...
Structure And Spatial Distribution Of Palm Populations At Different Altitudes In Serra Do Mar, Ubatuba, São Paulo, Brazil [estrutura E Distribuição Espacial De Populações De Palmeiras Em Diferentes Altitudes Na Serra Do Mar, Ubatuba, São Paulo, Brasil]
(Instituto de Pesquisas Jardim Botanico do Rio de Janeiro, 2014)