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Quality of pellets made from agricultural and forestry crops in costa rican tropical climates
(North Carolina State University, 2015)
Pellets may be produced with different types of agriculture or forestry crops in Costa Rica. This work evaluated the energy, physical, and mechanical properties of pellets fabricated from 12 types of agricultural and ...
Potencial forrajero de nuevas opciones para alimentación animal
(Instituto Tecnológico de Costa Rica., 2015)
Esta investigación consistió en cuatro experimentos independientes: a. Efecto
de la fertilización química y abono orgánico sobre la producción y valor nutritivo del
forraje en una asociación Poró – Yuca, b. Efecto de la ...
Wood characterization of adult clones of Tecnona grandis growing in Costa Rica
(CERNE, 2015)
Tectona grandis is an important wood in the commercial market due to its
excellent workability, durability and aesthetic characteristics. Therefore, it is important to
improve the conditions of reproduction and development ...
Optical performance of finished and unfinished tropical timbers exposed to ultraviolet light in the field in Costa Rica
(Wood Material Science & Engineering, 2016)
This study evaluated wood color change (ΔE*) and the surface quality in 10 tropical wood species painted with three
finishes (composed of wax and polyurethane). Two weathering conditions were tested: natural weathering ...
Estudios sobre aspectos hidráulicos de árboles en el trópico americano y su efecto en el crecimiento
(Instituto Tecnológico de Costa Rica. Vicerrectoría de Investigación y Extensión (VIE). Escuela de Ingeniería Forestal. Centro de Investigación en Innovación Forestal (CIF), 2019)
Este documento presenta los resultados de investigación de un proyecto con contrapartes de la Universidad de Göttingen y atiende a la generación de información ecofisiológica que para la región del trópico america y para ...
Mejoramiento tecnológico de suelos para el incremento de la productividad en plantaciones de Tectona grandis
(Instituto Tecnológico de Costa Rica. Vicerrectoría de Investigación y Extensión (VIE). Escuela de Ingeniería Forestal, 2016)
Tectona grandis es una de las especies más conocidas a nivel mundial, y goza internacionalmente
de un lugar privilegiado en el contexto de demanda y comercialización de su madera. Esta especie
fue introducida en Costa ...
Surface chemical and color characterization of juvenile tectona grandis wood subjected to steam-drying treatments
(2016)
The color of Tectona grandis wood is an attribute that favors its commercialization, however, wood
color from fast-growth plantation trees is clear and lacks uniformity. The aim of this work is to
characterize steamed ...
Effects of adding multiwall carbon nanotubes on performance of polyvinyl acetate and urea-formaldehyde adhesives in tropical timber species
(Hindawi Publishing Corporation, 2015)
Multiwall carbon nanotubes (MWCNTs) functionalized with hydroxyl groups (MWCNTs-OH) have been incorporated into polyvinyl acetate (PVAc) and urea-formaldehyde (UF) adhesives utilized in tropical wood gluing. The Raman ...
Evaluation of chemical compositions, air-dry, preservation and workability of eight fastgrowing plantation species in Costa Rica
(Revista Madera y Bosques, 2015)
Costa Rica has successfully planted various forestry species for wood production. However, the use of their wood is limited, due to poor
knowledge about their chemical properties, air-dry, preserved and workability ...
Characterisation of pellets made from oil palm residues in Costa Rica
(Journal of Oil Palm Research, 2016)
Presently, there are around 67 000 ha of oil palm (Elaeis guineensis) in Costa Rica. The resulting post-harvest residues are not being used currently. These residues can be employed for generation of heat by means of ...