Results 51 to 55 of about 640 (55)

Weed mapping using a machine vision system Mapeamento de plantas daninhas utilizando um sistema de visão artificial

Planta Daninha, 2012
Weed mapping is a useful tool for site-specific herbicide applications. The objectives of this study were (1) to determine the percentage of land area covered by weeds in no-till and conventionally tilled fields of common bean using digital image ...
M.C. Silva Junior, F.A.C. Pinto, D.M. Queiroz, J. Gómez-Gil, L.M Navas-Gracia   +4 more
doaj   +1 more source

Correlações entre atributos químicos do solo e atributos da cultura e da produtividade de arroz irrigado determinadas com técnicas de manejo localizado Correlations between soil chemical attributes and flooded rice yield through the site-specific management techniques

Ciência Rural, 2009
O sistema de agricultura tradicional desconsidera a variabilidade espacial dos atributos dos solos utilizados na produção vegetal, enquanto que o manejo localizado visa a identificar e propor o manejo dessa variabilidade.
Reges Durigon, José Fernando Schlosser, Alexandre Russini, Marçal Elizandro de Carvalho Dornelles, Eder Dornelles Pinheiro   +4 more
doaj  

Violence in public transportation: an approach based on spatial analysis. [PDF]

Rev Saude Publica, 2017
Sousa DCB, Pitombo CS, Rocha SS, Salgueiro AR, Delgado JPM.   +4 more
europepmc   +1 more source

Screening of Mercury Bioaccumulation in Birds (Passeriformes) from a Major Wetland of the Brazilian Cerrado. [PDF]

Bull Environ Contam Toxicol
Monteiro LC, Caparroz R, Junqueira ML, Vogeley PH, Vieira LCG, Bernardi JVE.   +5 more
europepmc   +1 more source

Mercury in Fish and Human Hair and Estimated Dietary Intake in a Riverside Community of the Madeira River Basin in the Brazilian Amazon. [PDF]

Toxics
Canela TA, Monteiro LC, Cabral CDS, Ximenes FDS, Oliveira IADS, Bernardi JVE, Almeida R, Bastos WR.   +7 more
europepmc   +1 more source