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Manual 27: La agroforestería en la pequeña propiedad del secanoLibroEntrega los conceptos de la agroforestería y su aplicación directa en el ordenamiento predial de la pequeña propiedad del secano, sobre la base del uso sistemático y ordenado de los árboles, en todas sus dimensiones: productivas, sociales, ambientales y ecológicas. Effect of thinning on growth and shape of Castanea sativa adult tree plantations for timber production in ChileArtículo de revistaChestnut (Castanea sativa Mill.) is an interesting species for high-quality timber production. It is well known that the species responds to early thinning, but there is no information on the impact of late interventions. The objective of this study was to assess the effect of a late thinning on the performance of unmanaged adult chestnut plantations in Chile. Future-tree selective thinning and control were compared in adult plantations using a randomized complete block design with three replicates at three sites, Minas, Pillo-Pillo and Pumillahue. Tree growth was evaluated periodically during the first 7 years after thinning in all plantations. Additionally, almost 20 years after the intervention, the Pumillahue plantation was measured for growth and tree shape variables. In this case study, the effect of thinning on tree growth decreased considerably after 5 years, with a maximum DBH increment in the third year after the intervention (45.8 %, 68.6 %, and 42.2 % in Minas, Pillo-Pillo and Pumillahue, respectively). In all plantations, basal area was smaller in the thinned plots in the first years after the intervention, but in Pumillahue, 19 years after thinning, no differences were found among treatments. Height was statistically greater under thinning seven years after the intervention; this effect was also found in Pumillahue plantation 19 years after thinning. Most trees showed high vigor, and were straight and healthy, even in control plots. Late effect of thinning was observed 19 years after thinning on tree shape, with a reduction in the proportion of bifurcated trees from 16 % to 8 %. The results suggest that late thinning is an effective silvicultural intervention to produce high-quality chestnut timber in unmanaged adult plantations. Progressive and frequent thinning should be used to increase growth and improve timber production in chestnut. Técnicas de poda para producir maderas duras de alta calidad y valorLibroLibro que se centra en las técnicas de poda que permiten producir maderas de alto valor destinadas a mercados muy exigentes en cuanto a la calidad, la que es definida en forma compleja por una serie de parámetros detalladas en el documento Perspectivas de mercado de la harina de castaña para consumo humano en ChileLibroEsta publicación reúne información referente al consumo, producción y comercialización de la harina de castañas proyectándose como una alternativa de negocio en Chile Mixed Castanea sativa plantations including arboreal companion species enhance chestnut growth and high-quality timber productionArtículo de revistaChestnut (Castanea sativa Mill.) is an important tree species for its timber, which is widely used for multiple purposes, including the veneer industry. The species has an interesting productive potential in Chile and requires specific management strategies to produce valuable, high-quality logs. Although mixed plantations including companion species usually enhance timber quality of several trees, the performance of chestnut under different associations is not well known. The objective of this study was to assess growth, survival, health, and timber quality of chestnut trees in several plantation types, including monoculture and mixtures with other companion trees and/or shrub.