Results 111 to 120 of about 71,222 (245)

Absorption of macronutrients by cassava in different harvest dates and dosages of nitrogen

open access: yesRevista Ciência Agronômica
A field experiment was carried out in 2010-2011 crop years in the experimental area of the Centro de Ciências Agrárias of the Universidade Federal de Roraima, in Boa Vista, Roraima, Brazil. This study aimed to evaluate the effect of nitrogen availability
Nádia Souza dos Santos   +4 more
doaj   +1 more source

MUNICÍPIOS

open access: yesAmbiente, 2019
A pesquisa analisa questões envolvendo algumas características do sistema prisional, como a superlotação, insalubridade e assistência à saúde, em decorrência do aumento no número de indivíduos encarcerados, nas últimas décadas.
Ana Maria Lima de Freitas   +4 more
doaj   +1 more source

Parasitological and molecular diagnosis of cutaneous leishmaniasis among indigenous peoples in the state of Roraima, Brazil.

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 2020
INTRODUCTION: We diagnose cases of cutaneous leishmaniasis (CL) among indigenous peoples of the state of Roraima, Brazil, and discuss some aspects of its epidemiology.
Joseneide Viana de Almeida   +5 more
semanticscholar   +1 more source

Climatically suitable areas for Hylobius abietis and Hylobius pales: a global and regional analysis considering economic risks for pine production

open access: yesPest Management Science, Volume 81, Issue 12, Page 8477-8486, December 2025.
Climate suitability maps indicate a high economic risk for Pinus‐producing municipalities in Brazil if Hylobius abietis and Hylobius pales invade, highlighting the need for preventive measures. Abstract BACKGROUND The weevils Hylobius abietis and Hylobius pales are major pests of pine species within their native ranges.
Jéssica Simão   +5 more
wiley   +1 more source

ESTUDO SOBRE A EFICIÊNCIA DA GESTÃO ORÇAMENTÁRIA DOS INVESTIMENTOS EM SEGURANÇA PÚBLICA NO PLANO PLURIANUAL 2016-2019 DO ESTADO DE RORAIMA

open access: yesAmbiente, 2019
Um dos principais desafios da gestão pública brasileira é a aplicação de recursos públicos na área de segurança pública, com vistas ao enfrentamento da criminalidade.
Cláudio Travassos Delicato   +4 more
doaj   +1 more source

Tipos de coberturas de solo no cultivo de alface (Lactuca sativa L.) sob as condições climáticas de Boa Vista, Roraima

open access: yes, 2020
Types of soil coverage in a lettuce cultivation (Lactuca sativa L.) under weather conditions in Boa Vista, Roraima. Climatic factors such as high temperature, long photoperiod and high light intensity may adversely affect the cultivation of lettuce ...
J. E. al
semanticscholar   +1 more source

New Evidence of TLR4 and TLR9 Variants Influencing Parasitaemia and Symptoms of Plasmodium vivax Infection

open access: yesInternational Journal of Immunogenetics, Volume 52, Issue 6, Page 371-378, December 2025.
ABSTRACT Toll‐like receptors (TLRs) induce the production of pro‐inflammatory cytokines and regulate the immune response to Plasmodium vivax infection. Genetic variants of TLRs are associated with susceptibility and severity of malaria in different populations. This study aimed to evaluate the association between polymorphisms in TLR1, TLR4, TLR7, TLR8,
Mikaele Monik Rodrigues Inácio Silva   +8 more
wiley   +1 more source

Floristic survey of epixylic Bryophytes of an area remnant of the Atlantic forest (Timbaúba - PE, Brazil) : 1., Hepaticopsida (except Lejeuneaceae) and Bryopsida [PDF]

open access: yes, 1996
A survey of the epixylic bryoflora of a remaining Atlantic forest (seasonal coastal deciduous forest), Engenho Água Azul, in the municipality of Timbaúba ( Lat 7° 35S; Long.
Germano, Shirley Rangel   +1 more
core  

Erenkon do circum-Roraima

open access: yesO Eixo e a Roda: Revista de Literatura Brasileira, 2017
Erenkon são cantos indígenas da região do circum-Roraima. Este trabalho apresenta duas variantes desses cantos: o parixara e o tukui. Essas músicas estão ancoradas em um complexo sistema artístico, que envolve dança, música, instrumentos, coreografia, pintura corporal e a letra dos cantos. A letra dos cantos é aqui o foco central de estudo.
openaire   +1 more source

Simulated deforestation versus satellite data in Roraima, Northern Amazonia, Brazil

open access: yes, 2020
Scenarios for land-use and land-cover change in Amazonia are necessary to support decisions that could prevent the emission of millions of tons of CO2 into the atmosphere. It is therefore important to evaluate models designed to generate future scenarios.
P. Barni   +3 more
semanticscholar   +1 more source

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