Revista RIAA
Browse by
Recent Submissions
-
Rendimiento de maíz y cambios en los atributos químicos del suelo fertilizado con lodo de malta
(Sello Editorial UNAD, 2024-06-14)Contextualización: el lodo de malta es un material orgánico que contiene nutrientes para las plantas, así que su utilización como fertilizante orgánico se presenta como una alternativa a los vertederos, ya que durante el procesamiento los residuos no entran en contacto con los organismos patógenos ni con los metales pesados. Vacío de conocimiento: son escasos los estudios para evaluar los lodos de maltería como abono ... -
Dinámica espaciotemporal de la contaminación por microplásticos en sedimentos marinos de la bahía de Tumaco, pacífico colombiano
(Sello Editorial UNAD, 2024-06-14)Contextualización: La bahía de Tumaco es potencialmente receptora de residuos domésticos, lo que conlleva a que diferentes contaminantes como los microplásticos (<5mm) se acumulen en los sedimentos marinos. Vacío de conocimiento: En el Pacifico colombiano no se ha explorado como la emergencia sanitaria (COVID-19) afectó los patrones de contaminación de microplásticos en sedimentos marinos antes, durante y después ... -
Inoculantes biológicos: oportunidades y desafíos para la sustentabilidad agrícola y bioeconomía colombiana. Una revisión
(Sello Editorial UNAD, 2024-06-14)Contextualización: El inadecuado uso de agroquímicos genera grandes problemas ambientales, incluyendo emisiones de gases efecto invernadero. Esto se ha pasado por alto durante mucho tiempo por la gran demanda para la producción agrícola global y actualmente se evidencian efectos negativos desde la perspectiva de sustentabilidad, sumado a la coyuntura de precios elevados de agroinsumos. Vacío del conocimiento: Compilar ... -
Dinámica de sistemas y teoría de la viabilidad para la evaluación de la sostenibilidad, aplicación para la producción de bioetanol en Colombia
(Sello Editorial UNAD, 2024-06-14)Contextualización: en este artículo se desarrolló un marco referencial para la evaluación dinámica y prospectiva de la sostenibilidad del bioetanol de caña, como herramienta para los tomadores de decisiones en Colombia. Vacío de conocimiento: no se han desarrollado modelos dinámicos con la formulación de escenarios viables o deseados. La evaluación de aspectos ambientales y sostenibilidad siempre se realiza con información ... -
Ethereal extract in butternut squash seeds (Cucurbita moschata Duchesne) in three generations of inbreeding
(Sello Editorial UNAD, 2024-06-14)Context: Butternut squash seed is rich in ethereal extract with high quality long chain polyunsaturated fatty acids. Knowledge gap: It is unknown how inbreeding influences the ethereal extract character in butternut squash seeds. Purpose: The objective was to evaluate the performance of ethereal extract content and its associated seed characters of butternut squash C. moschata genotypes in three generations of inbreeding ... -
Estimation of soil analytes in the plateau, with sentinel-2 remote sensing and regression models
(Sello Editorial UNAD, 2024-06-14)Contextualization: Incorporation of new techniques and technologies to know the characteristics and composition of soils used in agricultural production is booming. The free license products such as Sentinel-2 satellite images, allow correlating the edaphic properties with spectral indices. Knowledge gap: In the agricultural sector, the indices calculated from satellite images have been centered on characterization of ... -
Implementation of fog catchers as an alternative for water supply in the municipality of Tuluá
(Sello Editorial UNAD, 2024-06-14)Contextualization: Since the 20th century, water consumption has increased globally. This increasing is due to the fact that there is currently a high demand in developed countries and in those with rising economies. Another problem is population growth worldwide, which generates indiscriminate water use in the agricultural, livestock and industrial sectors; which generates an increasing in the use water. Knowledge ... -
Rice (Oryza sativa L.) yield evaluation comparing two soil preparation methods
(Sello Editorial UNAD, 2024-06-14)Contextualization: Rice (Oryza sativa L.) cultivation, throughout its vegetative process, generates an increase in bulk density and penetration resistance in soil. The most representative component of production costs is management, even so, land preparation and adaptation reach, and exceed, 20% of the costs. Knowledge gap: As it is a high economic yield crop and little technified in the region, the conservation plows ... -
the Construction project management through a holistic view of sustainability
(Sello Editorial UNAD, 2024-06-14)Contextualization: the construction sector is innovating every day in the postulation andcreation of new environmentally responsible projects, to mitigate the negative alterationsproduced by the processes carried out in the elaboration and erection of structures. Knowledge gap: for this reason, the field of this research aims to describe the triad ofsustainability in the management of construction projects, leading to ... -
Biological control of Fusarium sp. in cape gooseberry plants (Physalis peruviana L.) at greenhouse level by combined application of Trichoderma sp. AND Bacillus sp.
(Sello Editorial UNAD, 2024-06-14)Contextualization: The production of cape gooseberry (Physalis peruviana L.), an exotic fruit of great commercial importance in Colombia, has been limited by the presence of Fusarium sp. Which causes losses of up to 40% of production; this pathogen is mainly controlled with chemical synthesis products. Knowledge gap: The individual use of microorganisms for biological control has become a useful strategy to reduce the ... -
Evaluation of parameters related to the growth of coffee plants (Coffea arabica L.) in response to soil moisture deficit
(Sello Editorial UNAD, 2024-06-14)Contextualization: Water is indispensable for plant development, and its response to water deficit varies according to the species and their growth stages. Knowledge gap: The magnitude of the effect of soil water deficit on the growth of young coffee (Coffea arabica L.) plants evaluated over time is unknown. Purpose: Research was carried out to identify the effect of soil water deficit and, therefore, the sensitivity ... -
Growth analysis of kikuyo grass Cenchrus clandestinus (Hochst. ex Chiov.) Morrone fertilized with different levels of nitrogen
(Sello Editorial UNAD, 2024-06-14)Contextualization: Forage production response is determined by factors inherent to the ecotype and external environmental and management conditions. The high variation of factors influencing forage growth implies the need to establish responses based on the biological development regarding the accumulated temperature. Knowledge gap: The growth response of Cenchrus Clandestinus expressed in heating degree days (HDDs) ... -
Physicochemical characterization of the aquatic-terrestrial transition zone of a tropical wetland (Ayapel-Colombia)
(Sello Editorial UNAD, 2024-06-14)Contextualization: The aquatic-terrestrial transition zone (ZTAT) in the floodplain (alluvial plain) Ramsar Ayapel (Colombia) remains flooded for more than half of the year, and its coastal strip generates a strong influence on the ecosystem. An approach to the spatial and temporal characterization of this zone is crucial for further functional analysis, especially when tropical floodplains are little explored except ... -
Toxicity of glyphosate and its degradation products in aquatic ecosystems: a review
(Sello Editorial UNAD, 2023-12-19)Context: The intensifying utilization of glyphosate has provoked global scientific concern due to the potential large-scale impact on ecosystems. In 2015, the International Agency for Research on Cancer (IARC) reclassified glyphosate and its degradation byproduct, aminomethylphosphonic acid (AMPA), as Category 2A, indicating probable human carcinogenicity. Knowledge Gap: A review of the existing literature reveals a ... -
The productivity and methane emission estimation in dairy cows on pasture supplemented with potato (Solanum tuberosum)
(Sello Editorial UNAD, 2023-12-19)Contextualization: Cattle feeding systems should focus on increasing productivity, generating the smallest possible environmental footprint on ecosystems. In the high tropic livestock systems of the department of Santander, Colombia, the use of rejected potatoes (Solanum tuberosum) in animal feed could be a route for the sustainable valorization of this product. Knowledge gap: Some studies have shown the positive ... -
Filamentous bacteria producing hydrolytic enzymes isolated from rhizospheres and a composting system
(Sello Editorial UNAD, 2023-12-19)Contextualization: Hydrolases are some of the most widely used enzymes in different industrial processes and can be obtained from microorganisms such as bacteria and fungi. Filamentous bacteria are a group of microorganisms that inhabit diverse environments, and many of these species produce extracellular hydrolases that catalyze the breakdown of compounds such as proteins and polysaccharides. The most representative ... -
Estimation of biomass in a prairie of kikuyu grass using remote sensors
(Sello Editorial UNAD, 2023-12-19)Contextualization: The direct measurement of biomass in pastures is the most accurate method, however, it is a destructive and time-consuming method. Knowledge gap: Techniques with the use of remote sensors have recently been investigated to estimate physiological and morphological characteristics in crops based on their optical properties and arrive at an estimation of biomass. It is valuable to evaluate these techniques ... -
Evaluation of fillet yield and composition of white pirapitinga (Piaractus brachypomus)
(Sello Editorial UNAD, 2023-12-19)Contextualization: The white cachama is a native species, which has attractive properties and characteristics for both the producer and the consumer. Currently, the main studies. focus on captive reproduction, forms of feeding, genetic improvement, and management. Knowledge gap: Information about fillet and carcass yield is minimal and cannot be strategically planned at the time of planting, as well as product ... -
Characterization and analysis of the genetic variability of mulberry (Morus spp) accessions using microsatellite markers
(Sello Editorial UNAD, 2023-12-19)Contextualization: The analysis of genetic diversity is essential to preserve and adequately harness genetic resources, both plant and animal, and it is transcendental for developing selection and improvement strategies to obtain promising materials. Knowledge gap: There are few studies of characterization and analysis reported of genetic variability for mulberry Morus spp. in Colombia and need to be developed in order ... -
Germination and growth of pea seeds var. ‘Santa Isabel’ subjected to different doses of gibberellins
(Sello Editorial UNAD, 2023-06-20)Contextualization: The pea is a legume with a high nutritional potential because it is a source of protein and is widely cultivated throughout the world. Knowledge gap: Despite the fact that the percentage of germination of pea seeds is high, this germination is uneven, due to the fact that most legumes have different degrees of dormancy, which generates plants of different sizes and with gaps in the phenological stages ...
RSS 1.0
