Improving agricultural water management in the semi-arid region of Brazil: experimental and modelling study

2009 ◽  
Vol 28 (4) ◽  
pp. 301-316 ◽  
Author(s):  
Suzana Gico Montenegro ◽  
Abelardo Montenegro ◽  
Ragab Ragab
2018 ◽  
Vol 35 (3) ◽  
pp. 258-279
Author(s):  
Roseane Palavizini ◽  
Vera Margarida Lessa Catalão

Este artigo apresenta a metodologia da Gestão Transdisciplinar de Diversidades, desenvolvida a partir da construção participativa dos Planos de Gestão das Águas e Propostas de Enquadramento dos Cursos D’água, realizados nas Regiões de Planejamento e Gestão das Águas dos rios Verde e Jacaré; Paramirim e Santo Onofre; e Salitre, na região Semiárida do estado da Bahia, no nordeste brasileiro. A partir do olhar transdisciplinar são projetadas reflexões sobre as experiências de participação social na construção dos referidos Planos, observando as contribuições da transdisciplinaridade e da educação no desenvolvimento de metodologias promotoras do diálogo, mediadoras de conflitos e construtoras de processos participativos compartilhados. A Gestão Transdisciplinar de Diversidades ressalta a percepção complexa e dialógica das relações nos processos participativos, valorizando o reconhecimento das convergências e divergências em um determinado território. As convergências fortalecem o grupo, favorecem os pactos, a prevenção de conflitos potenciais e a mediação de conflitos. Este artículo presenta la metodología de la Gestión Transdisciplinaria de Diversidades, desarrollada a partir de la construcción participativa de los Planes de Gestión de las Aguas y Propuestas de Encuadramiento de los Cursos de agua, realizados en las Regiones de Planificación y Gestión de las Aguas de los ríos Verde y Jacaré; Paramirim y Santo Onofre; y Salitre, en la región semiárida del estado de Bahía, en el nordeste brasileño. A partir de la mirada transdisciplinaria se proyectan reflexiones sobre las experiencias de participación social en la construcción de dichos Planes, observando las contribuciones de la transdisciplinariedad y la educación en el desarrollo de metodologías promotoras del diálogo, mediadoras de conflictos y constructoras de procesos participativos compartidos. La Gestión Transdisciplinaria de Diversidades resalta la percepción compleja y dialógica de las relaciones en los procesos participativos, valorizando el reconocimiento de las convergencias y divergencias en un determinado territorio. Las convergencias fortalecen el grupo, favorecen los pactos, la prevención de conflictos potenciales y la mediación de conflictos. This article presents the methodology of Transdisciplinary Diversity Management, developed from the participative construction of the Water Management Plans and Water Frameworks, carried out in the Regions of Planning and Water Management of the Verde and Jacaré rivers; Paramirim and Santo Onofre; and Salitre, in the semi-arid region of the state of Bahia, in northeastern Brazil. From the transdisciplinary perspective, reflections on the experiences of social participation in the construction of these Plans are projected, observing the contributions of transdisciplinarity and education in the development of methodologies that promote dialogue, conflict mediators and constructors of shared participatory processes. Transdisciplinary Diversity Management highlights the complex and dialogic perception of relationships in participatory processes, valuing the recognition of convergences and divergences in a given territory. Convergences strengthen the group, favor pacts, prevent potential conflicts and mediate conflicts.


1970 ◽  
Vol 3 ◽  
pp. 23-27 ◽  
Author(s):  
A. GILANI ◽  
H. KERMANSHAHI ◽  
M. GHOLIZADEH ◽  
A. GOLIAN

Agricultural water management in arid and semi-arid countries such as Iran is of utmost importance. Alterations of water as a major component of each bio system through magnetization have been reviewed in this study. Magnetization process has been used as green technology in industry and agriculture with controversial results. Properties of water such as pH, hydrogen bonds, temperature, structure and its ions can be affected by an external magnetic field. Subsequent modifications have substantial impacts on water quality that is determined for optimum plant and animal production. There are some reports among numerous studies in agronomy, gardening and animal husbandry which claim fruitful influence of this treatment both qualitatively and quantitatively. Nevertheless, there are some controversial reports on the effects of Magnetization. In conclusion, the response of organismsdepends on Magnetization time and intensity, water quality and plant or animal species. These variables should be taken into account for further studies regarding this mysteries process.


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