Artigos científicos, teses e dissertações
Publicados nas melhores instituições de ensino

This dissertation is resulted of two years of research carried through in the Irrigated Perimeter of Moxotà - PIMOX, situated in the Ibimirim city, Pernambuco. The main question is which the variable of the territorial system of the PIMOX that interrupted the formation of the coo...

The practice of irrigated agriculture represents an increase of agricultural productivity, especially for areas with water deficit. Lands are frequently characterized erroneously which, coupled with lacking conservation measures, imposes serious consequences for the environment. ...

This study focuses on the refl ective analysis on the process of transferring the management of the Irrigated Perimeter Morada Nova in the period between 2004 and 2007, when it occurs in the implementation of Plan Plurianual of the Federal Government for the 2004-2007 quadrennium...

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The semiarid Northeast Brazil, represented by the Caatinga biome is characterized as an environment of low water availability and shallow soils, which require regional scientific community, further studies directed at understanding and managing these resources, for their preserva...

This study aims to understand the lifestyle and struggle of small scale farmers in the Jaíba project, within the most irrigated perimeter in Latin America and located in the extreme north of Minas Gerais covering the municipalities of Jaíba and Matias Cardoso. The Jaíba project i...

The aimed of this work was an integrated sustainability analysis of the Irrigated Perimeter of Baixo Acaraú (PIBAU) sited in Acaraú basin, Ceará, Brazil. The analysis was labeled by an agro ecological sustainability index (ASI). The approach was based on 22 cross-over form applie...

The aim of this work was to evaluate the effect of two levels of salinity using well and channel water and levels of potassium applied in furrow and drip irrigation systems on yield and quality of pumpkin fruit. The work was conducted in an area of 64 m x 55 m located in Sector D...

The Jaguaribe-Apodi Irrigation District (DIJA), in the state of the CearÃ, was founded aimed at producing food and substances cousins, to create jobs in agricultural businesses and urban-rural activities, to increase and to improve the income distribution and to create conditions...

In an attempt to solve the drought problem which causes the loss of agricultural productivity in the Brazilian semiarid zone, leading to starvation, unemployment and rural exodus, the Federal Government has deployed several public irrigated perimeters. In the State of Sergipe, we...

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This work notices the transformations occurred in rural areas of the sub-médio San Francisco River and it analyses the development of irrigated agricultural perimeters since the implementation of public projects of irrigation in the region by Codevasf. Those public projects focus...

The experiment took place at the experimental station of Vale do Curu (FEVC) of the Federal University of CearÃ. The station is located in the irrigated area of the Pentecoste county which is located in the semi-arid region of CearÃ. Heifers of Brown-Swiss an Girolanda were kept ...

Resumo O conhecimento da transpiração é de fundamental importância para aprimoramento do manejo da irrigação. Objetivou-se com o presente trabalho determinar o fluxo de seiva da mangueira ‘Tommy Atkins’ utilizando o método da sonda de dissipação térmica de Granier, sob irrigação ...

The increasing demand for food in the world makes irrigation a technique of fundamental importance, especially in arid and semi-arid regions, like much of the Brazilian Northeast, where drought occurs in most of the year. However, the use of irrigation without proper management o...

In Brazil, the management of Public Irrigation Projects has become a challenge for decades, in which different policies were enacted by the Federal Government for the planning and development of the irrigation sector in the country. In an attempt to improve the performance of the...

In Brazil, the management of Public Irrigation Projects has become a challenge for decades, in which different policies were enacted by the Federal Government for the planning and development of the irrigation sector in the country. In an attempt to improve the performance of the...

An experiment was conducted in the period from 05/08/2011 to 09/25/2012, to evaluate the effects of organic gypsum and organic sources followed by continuous washing and cultivation of sunflower (Helianthus anus) cv 112/V-2000 and rice (Oryza sativa) Diamond variety in a sodic sa...

In the semi-arid part of Northeastern Brazil, the highest incidences of salinized areas are observed in land subjected to intense irrigated cultivation, in the âPerÃmetros Irrigadosâ (irrigated perimeters), particularly those where is used the surface method. The experiment was p...

A acelerada erosão das margens no Baixo curso do rio São Francisco é fruto das ações antrópicas e das políticas de desenvolvimento voltadas para construção e operação de barragens e geração de energia. Este trabalho teve como objetivo a aplicação do método custo de oportunidade p...

Este trabalho se propõe a estudar um método de determinação do uso da água na agricultura irrigada a partir da utilização de imagens de satélite. Experimento de modelagem da evapotranspiração real (ETc) foi realizado ao longo de um período de três meses de atividade produtiva do ...