105 research outputs found

    Contribución al desarrollo territorial de los grupos de productores rurales pertenecientes al programa Cambio Rural del INTA Colonia Benitez

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    The “Cambio Rural” Program from the Argentine Ministry of Livestock, Agriculture and Fisheries is a tool for rural extension and territorial intervention that promotes productive and socioeconomic improvement of small and medium-sized rural producers, being Nacional Institute of Agricultural Technology (INTA) in charge of coordination and budget execution. The aim of this work is to analyze the results obtained by groups of producers working with Colonia Benítez Agricultural Experiment Station (EEA) INTA, from February 2018 to March 2020. The implemented strategy among the groups is associativism along with workgroup methodology and professional technical assistance. In this sense, the group method is based on: monthly meetings, the group workplans, individual development plans, individual visits to the lots. Most of the producers from the groups reinforced their strengths, agreed to detect the weaknesses in their activities, introduced their problems and opportunities, fostered associated work and took advantage from the assistance provided by the Counselor, the Project Officer and Colonia Benítez INTA technical extension and investigation team. Common achievements were installed through associativism through which technologies adapted to each activity were incorporated, products and services were commercialized, costs were reduced, and value was added to new products, services and processes. Another point achieved is the institutional and inter-institutional connection that allowed articulating actions at local, provincial and national levels; both with private and governmental organizations.El programa Cambio Rural del Ministerio de Agricultura Ganadería y Pesca de la Nación Argentina es una herramienta de extensión rural e intervención territorial que promueve la mejora productiva y socioeconómica de los pequeños y medianos productores rurales, siendo el Instituto Nacional de Tecnología Agropecuaria (INTA) el responsable de su coordinación operativa y ejecución presupuestaria. El objetivo de este trabajo es analizar los resultados obtenidos por los grupos pertenecientes a la Estación Experimental Agropecuaria (EEA) Colonia Benítez del INTA, durante el periodo febrero 2018 a marzo 2020.  La estrategia utilizada en los grupos es el asociativismo, con la metodología de trabajo grupal y la asistencia técnica profesional. En este sentido, el método grupal se sustenta en los siguientes pilares: La reunión mensual, el plan de trabajo grupal, el plan de mejoras individuales y la visita individual predial. La mayoría de los productores integrantes de los grupos afianzaron sus fortalezas, accedieron a detectar los puntos débiles de sus actividades, abordaron problemas y oportunidades, promovieron el trabajo asociado y aprovecharon la asistencia del Promotor Asesor, el Agente de Proyecto y del Equipo Técnico de extensión e investigación del INTA Colonia Benítez. En los grupos quedaron instalados los logros comunes, a través del asociativismo, mediante el cual se incorporaron tecnologías adaptadas a cada actividad, se comercializaron productos y servicios, se disminuyeron costos y se agregó valor obteniendo nuevos productos, servicios y procesos. Otro punto logrado, es la vinculación institucional e interinstitucional que permitió articular acciones a nivel municipal, provincial y nacional; tanto con privados y organismos gubernamentales

    Re-Os age constraints and new observations of Proterozoic glacial deposits in the Vazante Group, Brazil

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    A new Re-Os radiometric age date for an organic-rich shale horizon from the Vazante Group in Brazil, coupled with geological observations, provide evidence for late Mesoproterozoic glacial episodes, conflicting with the general view of greenhouse conditions marked by a eustatic high stand at this time. Field observations of a reverse fault juxtaposing older Mesoproterozoic sedimentary rocks above younger Neoproterozoic strata provide a new stratigraphic framework and reconcile the apparent inversion of U-Pb detrital zircon ages through the succession. Combined, the geochronological, geochemical and stratigraphic evidence suggest that the Vazante Group sediments accumulated along a passive margin of the São Francisco craton and are correlative with the neighboring Paranoá Group. Biomarker, sulfur isotope and iron speciation analyses support the interpretation of a strongly stratified water column during post-glacial transgression and deposition of one of the bituminous shale horizons. The relationship of the glaciogenic Vazante Group to other late Mesoproterozoic successions, such as the non-glacial Atar Group in West Africa and Bylot Supergroup in arctic Canada, however, remains enigmatic

    Pelabelan Super ({\it a,d})-H{\mathcal {H}}-Antimagic Total Dekomposisi pada Graf Windmill

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    Diberikan suatu graf G sedehana, dan tidak berarah. f(V)={1,2,3,...,p}f(V)=\{1,2,3,...,p\} dan f(E)={p+1,...,p+q}f(E)=\{p+1,...,p+q\} dikatakan sebagai pelabelan super. Pelabelan super ({\it a,d})-H{\mathcal {H}}-antimagic total selimut merupakan suatu graf G=(V(G),E(G))G=(V(G),E(G)) dengan HH merupakan subgraf dari GG dimana untuk setiap sisinya termuat dalam subgraf HH dan GG isomorfik dengan HH. Suatu graf G=(V,E)G=(V,E) dikatakan memuat selimut H\mathcal{H}={H1,H2,,Hk}\{H_1, H_2, \ldots, H_k\} dengan sifat setiap sisi di GG termuat sekurang-kurangnya satu graf HiH_i yang isomorfik dengan subgraf HH untuk suatu iϵ{1,2,3,,k}i \epsilon \{1, 2, 3,\ldots, k\}. Pelabelan selimut H\mathcal{H}-antimagic pada graf GG adalah sebuah fungsi bijektif sehingga terdapat jumlahan yang merupakan barisan aritmatika {a,a+d,a+2d,,a+(t1)d}\{a,a+d,a+2d,\ldots,a+(t-1)d\}. Jika selimut-H\mathcal{H} mempunyai sifat setiap sisi dari graf GG termuat tepat satu pada graf HiH_{i} untuk i{1,2,...,k}i \in\{1,2,...,k\} maka selimut-H\mathcal{H} disebut dekomposisi-H\mathcal{H}. Pada artikel ini, akan dikaji mengenai keberadaan super (a,d)(a,d)-WD5WD_5 antimagic total dekomposisi pada graf WindmillWindmill, yang dinotasikan dengan WD5nWD_5^n.CGANT UNE
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