Agroforestry is a practice used for the establishment of integrated production systems as an economic alternative. In Chile, the most significant experiences have been developed with rainfed farmers in the central zone, where the arboreal component is the predominant one. This study analyses the agroecological transition process of a group of women from the Andean foothills of southern Chile in the establishment of an agroforestry system based on rosehip. The field work was developed in 4 stages: (1) problem survey and definition of strategy; (2) identification of an alternative market; (3) perception of the data collection work and; (4) implementation of a demonstration unit; which included (a) workshops and meetings for discussion, reflection, and feedback on what had been done and to agree on the actions to be implemented; and (b) the development of different activities to implement the actions agreed in the workshops and meetings. The results of this research show that agroecological projects open doors to the participation, visibility, and valorization of women’s work while moving towards sustainable agroforestry systems integrated into the landscape.
Se estudió la evolución de la brecha de frecuencias fotónicas presente en las huellas de TiO2, estas estructuras aparecen en la interfaz Ti-TiO2 durante la formación de nanotubos de ´oxido de titanio. Las huellas se pueden modelar como un cristal fotónico debido a que la función dieléctrica varía periódicamente en un espacio bi-dimensional. Hemos llevado a cabo un estudio teórico sobre la base de mediciones experimentales en las huellas de TiO2. El estudio se desarrolló mediante el uso del método de expansión en ondas planas. Este trabajo es un primer intento para introducir una ingeniería de brecha fotónica, lo cual puede tener interés tecnológico.
Plantas medicinales y aromáticas como hospederas de enemigos naturales de Saissetia oleae en arreglos espacio-temporales para el cultivo agroecológico de Olea europea [Medicinal and aromatic plants as hosts of natural enemies of Saissetia oleae in spatio-temporal arrangements for the agroecological cultivation of Olea europea]
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