Browsing Revistas by Title
Now showing items 1-20 of 3283
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Los 40 años de la revista Turrialba: un análisis de los artículos publicados en ese período
(IICA, San José (Costa Rica), 1990-01)Se hizo un estudio de 1529 artículos publicados por la revista Turrialba (publicación del Instituto Interamericano de Cooperación para la Agricultura). Los temas más frecuentes son fisiología y patología vegetales, suelos ... -
A bean, corn and manioc polyculture cropping system, 2: A comparison between the yield and economic return from monoculture and polyculture cropping systems
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1975-10-01)An experiment in which beans, maize, and cassava were planted in monoculture and polyculture systems was previously described in the first part of this report (Turrialba 25(3) 294-301 1975). The results of the experiment ... -
A bean, corn and manioc polyculture cropping system. I. The effect of interspecific competition on crop yield
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1975-07)Frijoles (Phaseolus vulgaris), maíz (Zea mays) y yuca (Manihot esculenta) se plantaron separadamente en tres sistemas de monocultivo, y juntos en tres sistemas de policultivo, en Turrialba, Costa Rica. En un sistema de ... -
A combination of conserved and diverged responses underlies Theobroma cacao’s defense response to Phytophthora palmivora
(BMC Biology, 2024)Plants have complex and dynamic immune systems that have evolved to resist pathogens. Humans have worked to enhance these defenses in crops through breeding. However, many crops harbor only a fraction of the genetic diversity ... -
A common framework to model recovery in disturbed tropical forests
(Elsevier, 2023-06-11)Despite their exceptional biodiversity and carbon stocks, more than 80% of tropical forests are disturbed. However, a lot of interrogations remain around the ability of vegetation attributes in tropical forests to recover ... -
A Comparative Study of Deep Learning Frameworks Applied to Coffee Plant Detection from Close-Range UAS-RGB Imagery in Costa Rica
(MDPI, 2024-11-10)Introducing artificial intelligence techniques in agriculture offers new opportunities for improving crop management, such as in coffee plantations, which constitute a complex agroforestry environment. This paper presents ... -
A design for a low cost multiple use seed drying unit
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1975-10-01)Se describe el diseño y la operación de una secadora de usos múltiples La unidad sirve principal-mente para secar las semillas de Cupressus, Alnus y Pinus, pero también se mencionan varias otros usos, como para secar ... -
A framework for selecting and designing policies to reduce marine plastic pollution in developing countries
(2020)The polluting of marine ecosystems with plastics is both a global and a local problem with potentially severe consequences for wildlife, economic activity, and human health. It is a problem that originates in countries ... -
A global map of mangrove forest soil carbon at 30m spatial resolution
(2018)With the growing recognition that effective action on climate change will require a combination of emissions reductions and carbon sequestration, protecting, enhancing and restoring natural carbon sinks have become ... -
A global meta-analysis of soil organic carbon in the Anthropocene
(Nature, 2023-06-05)The study is a global meta-analysis on soil organic carbon in the Anthropocene, based on more than 25,000 primary studies. It examines how land-use change, land management, and climate change affect soil organic carbon ... -
A just transition for antimicrobial resistance: planning for an equitable and sustainable future with antimicrobial resistance
(The Lancet, 2023-09-08)It discusses the urgent need to address the global challenge of antimicrobial resistance (AMR) and provides insights on how to reduce its impact in the future. It highlights the consequences of clinically ineffective ... -
A Methodological Approach for Prioritization and Rationalization of Field Genebank Accessions of Coffee Genetic Resources: A Case Study of CATIE International Coffee Collection, Costa Rica
(Frontiers Media, Lausana (Suiza), 2021-12)Good management of coffee collections is important because they ensure long-term availability of germplasm to guarantee the sustainability of coffee value chain. The conservation of coffee genetic resources is essential ... -
A methodological proposal for the evaluation of farmer's adaptation to climate variability, mainly due to drought in watersheds in Central America
(2008)The current study shows the process and the results of a methodology proposed to contribute with the issue of how to evaluate the adaptation to climate variability and future climate change. The proposed methodology consists ... -
A mutant Pinus caribaea var. hondurensis seedling incapable of developing normal secondary needles
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1976-01)Se describe una plántula mutante de Pinus caribaea var. Hondurensis que ha desarrollado ramas laterales pero que parece incapaz de desarrollar agujas secundarias normales. -
A new dendrometer for monitoring cambium activity and changes in the internal water status of plants
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1975-10-01)Se describe un dendrómetro sencillo y de fácil construcción que se recomienda no sólo para medir con precisión el crecimiento cambial del tronco sino también para diagnosticar falta de agua en la planta basándose en las ... -
A new look at forests of Puerto Rico
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1985-01)Un inventario reciente de los bosques secundarios en terrenos potenciales para la producción de madera en Puerto Rico, indica que casi la mitad de ellos (52000 ha) ya contiene, sin sembrarlos, una nueva cosecha potencial ... -
A note on the qualitative damage caused to cocoa pods by Sahlbergella singularis (Hagl.) (Hemiptera: Miridae)
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1985-01)Se estudió el daño causado por el mírido Sahlbergella singularis (Hagl.) (Hemiptera: Miridae) a mazorcas de cacao. Se encontró una reducción significativa en el peso de la mazorca, así como en el peso del pericarpio, a ... -
A preliminary study of the influence of chemical sprays on fruit set and abscission in Robusta coffee (Coffea canephora) Pierre ex Froehner
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1975-10-01)Application of 200 ppm of gibberellic acid before anthesis produced some reduction in the percentage of fruit retained 28 days after fruit set but had little effect on the actual percentage of fruit set in Robusta coffee ... -
A review of wildfires effects across the Gran Chaco region
(Forest Ecology and Management, 2023-12-01)The main objective of this review paper is to synthesize studies related to fire occurrence, the effects of fire on native vegetation at the Gran Chaco scale, and changes in fire regimes, in order to identify current ...
