Results 21 to 30 of about 3,104 (137)

Human Health Risk Assessment From Exposure to Toxic Metals in Soils and Leafy Vegetables in Smallholder Farms of Northeastern Brazil

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT This study assessed human health risks associated with exposure to potentially toxic metals (PTMs) in soils and leafy vegetables cultivated in smallholder agricultural systems in Northeastern Brazil. Soil and vegetable samples were collected from 18 agricultural areas and analyzed for cadmium (Cd), chromium (Cr), copper (Cu), iron (Fe), nickel
Fernando Ferreira da Cunha Filho   +5 more
wiley   +1 more source

Estado do conhecimento sobre o Colégio Agrícola Vidal de Negreiros

open access: yesRevista Informação na Sociedade Contemporânea
Introdução: O estudo apresenta um mapeamento sistemático do “estado do conhecimento” sobre o Colégio Agrícola Vidal de Negreiros, instituição centenária de ensino técnico agrícola vinculada à Universidade Federal da Paraíba. Objetivo: O objetivo central
Francisca Emanoela Guimarães Ribeiro   +2 more
doaj   +1 more source

Non-Destructive Methods Used to Determine Forage Mass and Nutritional Condition in Tropical Pastures

open access: yesAgriEngineering, 2023
The quantification of forage availability in tropical grasses is generally done in a destructive and time-consuming manner, involving cutting, weighing, and waiting for drying.
Patrick Bezerra Fernandes   +7 more
doaj   +1 more source

A Bibliometric‐Based Review of Biochar for Salt‐Affected Soil Restoration: Mapping Research Trends and Future Directions

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT In recent years, biochar has been studied for its range of applications. Recognized by the IPCC as a key Carbon Dioxide Removal (CDR) strategy, it also stands out as an important tool for reclaiming degraded lands, including vast global areas affected by salinity, such as those in China, India, and Australia.
Juciane Vieira de Assis Freire   +12 more
wiley   +1 more source

A educação do campo e os desafios para uma educação infantil do campo

open access: yesRevista de Educação Popular, 2019
Este texto tem como objetivo traçar o percurso que efetivou a proposta de uma educação infantil do campo. Desta forma, lançamos mão de apontamentos sobre marcos históricos que indicam essa trajetória, desde a ausência do processo educacional no espaço ...
Thiago Roniere Rebouças Tavares   +1 more
doaj   +1 more source

Milk and Fresh Cheese Quality of Crossbred Cows Supplemented with Phytogenic Additives and Managed under Thermal Stress

open access: yesAnimals, 2023
This investigation aimed to assess the physiological parameters and quality of milk and fresh cheeses produced by cows that were housed in paddocks, either with or without shade, and supplemented with a phytogenic additive.
Abner Alves Mesquita   +12 more
doaj   +1 more source

Portuguese Students' Perceptions of Soil Ecosystem Services and Their Willingness to Change Behaviour for the Future of Soil

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Soil is one of the most important non‐renewable natural resources, playing a vital role in sustaining humanity. Studies exploring how students perceive soil ecosystem services are considerably scarcer. Therefore, the main objectives of this study are: (i) to understand Portuguese students' perceptions of the importance of different soil ...
Catarina de Almeida Pinheiro   +2 more
wiley   +1 more source

O Pode Falar e a escuta

open access: yesRevista de Educação PUC-Campinas
Este artigo tem a intenção de compreender a inter-relação entre o programa Pode Falar e a ambiência escolar, considerando a escuta acolhedora de adolescentes como um elemento central de intersecção entre os princípios constitutivos do Pode Falar e uma ...
Hugo Monteiro Ferreira   +1 more
doaj   +1 more source

Assessing the Effects of Biodiesel Production on Sustainability: A Bayesian Two‐Stage Data Envelopment Analysis Approach

open access: yesSustainable Development, EarlyView.
ABSTRACT Sustainable development transforms production systems, requiring integrated environmental, social, and economic strategies. Energy systems are key agro‐industrial supply chains in developing countries. Brazil's soybean supply chain impacts Gross Domestic Product, mainly through exports.
Aline Veronese da Silva   +3 more
wiley   +1 more source

Repertório de pesquisa sobre a educação rural no Paraná por meio da imprensa (1930-1961)

open access: yesRevista Ibero-Americana de Estudos em Educação, 2021
O presente texto é resultado de pesquisa de pós-doutoramento e teve como objetivo geral localizar, catalogar e analisar jornais, revistas e boletins que tratam da educação rural no estado do Paraná disponibilizados na Biblioteca Nacional no período de ...
Simone Burioli Ivashita
doaj   +1 more source

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