Buscar
Mostrando ítems 21-30 de 4046
Evaluation of sustainability and the impact of the agriculture styles of the chilean coastal dry lands.
(2017)
La agricultura ha progresado ininterrumpidamente, pasando de la utilización de recursos naturales gratuitos al uso creciente de recursos fósiles como fuentes energéticas. Si bien la agricultura depende fundamentalmente de ...
Reshaping the global agricultural landscape: perspectives from Brazil
(WILEY-BLACKWELL PUBLISHING, INC, 2010)
This article highlights the main changes observed in Brazilian agriculture and analyzes the connections of the observed changes in global agriculture. My approach to the analysis focuses the main drivers of changes, where ...
Guidelines for documenting and reporting tree allometric equations
(Springer-Verlag France, 2015-09)
Given the pressing need to quantify carbon fluxes associated with terrestrial vegetation dynamics, an increasing number of researchers have sought to improve estimates of tree volume, biomass, and carbon stocks. Tree ...
Brotación in vitro de yemas de teca (Tectona grandis L. f.)
(2012)
Teak (Tectona grandis L. f.) is an exotic timber species introduced to Costa Rica for commercial plantations due to the high demand for its wood, rapid growth and high-quality. Initially the seed was use as the only planting ...
Bioasis: Sistema acuapónico para el pequeño y mediano productor nacional
(Instituto Tecnológico de Costa Rica, 2011)
El sistema se caracteriza por la integración de los componentes en un solo
módulo con el fin de optimizar el espacio y facilitar al usuario el cultivo y la
cosecha de la lechuga. Está compuesto por un tanque para peces, ...
Brotación in vitro de brotes de teca (Tectona grandis L.f.)
(2012)
Teak (Tectona grandis L. f.) is an exotic timber species introduced to Costa Rica for commercial plantations due to the high demand for its wood, rapid growth and high-quality. Initially the seed was use as the only planting ...
Effects of thinning on diameter, heartwood, density and drying defects of gmelina arborea
(Universidade Federal de Sao Carlos, 2015)
The effect of three levels thinning intensity in Gmelina arborea plantation on tree diameter, heartwood (diameter and percentage), wood density and drying defects (twist, crook, bow and check) was studied. Wood used for ...
Análisis de factibilidad financiera de un proyecto de gasificación de biomasa forestal para la generación de 2MW de potencia en Costa Rica
(Instituto Tecnológico de Costa Rica, 2016)
This work is based on the analysis of existing information in order to identify the
role that forest biomass plays for power generation with existing technologies. The
adequate thermochemical process was identified in ...
Implementación de un prototipo de alarma de parto bovino para la finca Jaicar
(Instituto Tecnológico de Costa Rica, 2018)
This report presents the design and implementation of a prototype to detect typical patterns of movement in cows close to give birth and generate an alarm based on that data. A contraction detector algorithm is presented, ...