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Autor principal:	María Laura Bravo
Formato:	Artículo científico
Lenguaje:	es
Publicado:	Universidad Nacional del Litoral 2021
Materias:	Educación Garantía participación alimentos sanos extensión universitaria
Acceso en línea:	https://www.redalyc.org/articulo.oa?id=564171942010 https://www.redalyc.org/journal/5641/564171942010/ https://www.redalyc.org/journal/5641/564171942010/html/ https://www.redalyc.org/journal/5641/564171942010/564171942010.epub https://www.redalyc.org/journal/5641/564171942010/movil https://doi.org/10.14409/extension.2021.15.Jul-Dic.e0008
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Participación en la garantía de alimentos sanos: verduras en procesos de transición agroecológica en el gran La Plata María Laura Bravo Ana Álvarez Educación Garantía participación alimentos sanos extensión universitaria El cinturón hortícola de La Plata, Buenos Aires, Argentina, constituye el polo de producción de hortalizas para consumo fresco más importante a nivel nacional en cuanto a cantidad producida y a productividad alcanzada. Esta producción abastece el Mercado Central de Buenos Aires, mercados mayoristas del conurbano bonaerense, de Rosario y de Mar del Plata. Las familias productoras que están en procesos de transición agroecológica, definida por técnicas y tecnologías sustentables con el ambiente y el sistema social, han desarrollado experiencias de circuitos cortos de comercialización que permiten acercar a productores y consumidores. El objetivo de este trabajo es compartir avances logrados de manera participativa en la definición de una herramienta que permita garantizar las verduras obtenidas en quintas familiares con manejo agroecológico a través del desarrollo de un Sistema Participativo de Garantía. Esta experiencia se enmarca en el Proyecto Institucional para el desarrollo tecnológico y social “Sistema Participativo de Garantía en la Horticultura Platense: construyendo soberanía alimentaria”, es bienal, acreditado y financiado por la Facultad de Ciencias Agrarias y Forestales de la Universidad Nacional de La Plata; y en el Proyecto de Extensión Universitaria “Sistemas Participativos de garantías. Herramientas construidas para procesos de transición agroecológica”, financiado por dicha universidad. 2021 artículo científico 2250-4591 https://www.redalyc.org/articulo.oa?id=564171942010 https://www.redalyc.org/journal/5641/564171942010/ https://www.redalyc.org/journal/5641/564171942010/html/ https://www.redalyc.org/journal/5641/564171942010/564171942010.epub https://www.redalyc.org/journal/5641/564171942010/movil https://doi.org/10.14409/extension.2021.15.Jul-Dic.e0008 es http://www.redalyc.org/revista.oa?id=5641 Revista de Extensión Universitaria +E application/pdf Universidad Nacional del Litoral Revista de Extensión Universitaria +E (Argentina) Num.15

if (filemtime($filename) + $maxlifetime < time()) { unlink($filename); $count++; } } return $count; } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ protected function saveSession($sessId, $data): bool { $sessFile = $this->path . '/sess_' . $sessId; if ($handle = fopen($sessFile, 'w')) { $return = false; // Lock the file for exclusive access to avoid issues with multiple // processes writing session simultaneously: if (flock($handle, LOCK_EX)) { $return = fwrite($handle, $data); // Make sure that there's no trailing data by truncating the file to // the correct length: ftruncate($handle, strlen($data)); fflush($handle); flock($handle, LOCK_UN); } fclose($handle); if ($return !== false) { return true; } } // If we got this far, something went wrong with the file output... // It is tempting to throw an exception here, but this code is called // outside of the context of exception handling, so all we can do is // echo a message.

// Anecdotal testing Today and Yesterday seems to indicate destroy() // is called by the garbage collector and everything is good. // Something to keep in mind though. return 0; } /** * Write function that is called when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ public function write($sessId, $data): bool { if ($this->writesDisabled) { return true; } return $this->saveSession($sessId, $data); } /** * A function that is called internally when session data is to be saved. * * @param string $sessId The current session ID * @param string $data The session data to write * * @return bool */ abstract protected function saveSession($sessId, $data): bool; }

* * @return void */ public function writeClose() { // The assumption is that we're using PHP's ext/session. // session_write_close() will actually overwrite $_SESSION with an // empty array on completion -- which leads to a mismatch between what // is in the storage object and $_SESSION. To get around this, we // temporarily reset $_SESSION to an array, and then re-link it to // the storage object. // // Additionally, while you _can_ write to $_SESSION following a // session_write_close() operation, no changes made to it will be // flushed to the session handler. As such, we now mark the storage // object isImmutable. $storage = $this->getStorage(); if (! $storage->isImmutable()) { $_SESSION = $storage->toArray(true); session_write_close(); $storage->fromArray($_SESSION); $storage->markImmutable(); } } /** * Attempt to set the session name * * If the session has already been started, or if the name provided fails * validation, an exception will be raised. * * @param string $name * @return SessionManager * @throws Exception\InvalidArgumentException */ public function setName($name) { if ($this->sessionExists()) { throw new Exception\InvalidArgumentException( 'Cannot set session name after a session has already started'

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