Browsing Revistas by Title
Now showing items 1-20 of 3604
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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 growth analysis study of four cacao varieties
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1972-07-01)Un análisis del crecimiento comparativo se llevó a cabo con cuatro variedades de cacao cultivadas en condiciones de almácigo durante un período de 26 semanas desde la edad del sembrío, cosechando plántulas a intervalos de ... -
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 comparison of direct seedling with transplanting of cocoa
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1972-07-01)Las plantas de cacao Amelonado de semillas sembradas directamente en el campo y de uno a dos años de edad fueron mucho más grandes que las plántulas de la misma edad sembradas en almácigo y transplantadas a los cinco meses. ... -
A comparison of forest and savanna soils in Northeastern Nicaragua
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1973-04-01)Seasonal broadleaf forest and pine savanna occur in the lower northeastern part of Nicaragua. The savanna chea is almost entirely limited to sedimentary deposits in the piedmont plain, and the forest is almost entirely ... -
A comparison of herbicides for maize production in Minas Gerais, Brazil
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1971-10)Em ensaios comparativos de herbicidas, ua cultura do milho, verificon-se que a combinação Atrazine mais Lasso, em pré-emergência, foi tão eficiente quanto a capina manual com enxada, no controle de misturas de ervas daninhas ... -
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 influencia de graos pretos em ligas com cafes de bebida mole
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1969-01)Os autores estudam a influencia de graos pretos em ligas com cafés brasileiros de bebida Mole. Foram ensaiadas porcentagens crescentes de graos pretos: 0, 1, 2, 5, 10, 15, 20, 30, 40 e 50. Realizaram-se dois ensaios de ... -
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 method for differentiating between Coffea arabica and C. canephora plants and their hybrids
(Instituto Interamericano de Cooperación para la Agricultura (IICA), 1972-07-01)Coffea canephora (Robusta) is diploid (2n=22) and C. arabica is tetraploid (2n=44). Both species are highly polymorphic and some of their forms overlap, making it impossible to always differentiate them on the basis of ... -
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.
