Excess of zinc reduces the growth of bulb onion plants (Allium cepa L.) by Casierra-Posada, Fánor, Trujillo-Niño, Luis Miguel

“…While zinc (Zn) is an essential element for plant metabolism, anthropic activities and poor agricultural practices as well as frequent use of pesticides and fertilizers rich in this element can cause toxic levels of Zn to plants. …”

Mechanisms of human rights protection in Colombia from pedagogy by Cifuentes-Medina, José Eriberto, Higuera-Sandoval, Jairo Alberto

“…  The proposed pedagogical reflection was implemented in three phases: the firs occurred  on the theoretical foundation of human rights and «mechanisms of protection», from  different perspectives; in the second one some apprehension of strategies of the following  mechanisms were designed: right to petition, action of protection, habeas corpus, habeas data, popular action and group action and of the institutions: Office of the Solicitor,  and Ombudsman Office, according to the 1991 Constitution, and the third phase corresponds to developing scenarios and activities of the thematic educational thinking,  in order to strong the education of students, to highlight the value of justice and equality, so that the exercise of mechanisms to protect, at least the fundamental rights, is not utopian, especially when it comes to people working in the health sector. …”

Development of Numerical Thought. A Strategy: Animaplano by Cárdenas-Soler, Ruth Nayibe, Piamonte-Contreras, Sandra, Gordillo-Catellanos, Patricia

“… Numerical thought, as a mathematical ability to understand numbers, their symbols, their meanings and their relations, enables the realization of cognitive activities (numerical configuration, analysis of phenomena, questions and problems that employ numerical elements), that structure complex processes of thought which will serve the subject to understand other mathematical aspects. …”

Night air conditioning of buildings by external air ventilation by Bravo-Hidalgo, Debrayan

“…Buildings contain the environment in which almost all human activities take place, and therefore, nowadays, they represent a great sink of energy. …”

Detailed stratigraphic study of La Paila formation in the La Uribe-Sevilla section, hydrocarbon potential reservoir in the Cauca-Patía basin by Castaño-Dávila, Diana Lorena, Cifuentes-Echeverri, Paola Eugenia

“…During the sedimentation volcanic activity will take place, something from which evidence is found in the tuff levels. …”

Integration of knowledge in restaurants through multicriteria analysis for decision making by León Santiesteban, Martín, Larrañaga Núñez, Ana María

“… In the restaurant companies located in the tourist destination of Mazatlan, Sinaloa, Mexico, innovation activities were carried out that integrate knowledge by free access sources, purchase and cooperation and that include a series of categories, so the objective is to identify the decision alternative for the integration of knowledge through a multi-attribute method in process innovation. …”

Geometría esférica a través de clases investigativas by Cely Mesa, Edwin Fernando

“…In addition to carrying out a historical and epistemological analysis of the spherical geometry, the proposal incorporates designed activities with different task types, validated, and applied in mathematics classes and thought as triggers of the research process itself. …”

Extraction of Bacterial DNA from Water Sources of Agricultural Use by Forero Pineda, Nicolas, Marín - Suárez, Johana, Forero- Ulloa, Fabio Emilio, Gómez-Palacio, Andrés

“…For this reason, the objective of this article is to describe a chemical protocol for the extraction of bacterial DNA from water bodies used in local agricultural activities that is simple, efficient, and quick to apply to get good-quality DNA. …”

Teaching experience towards student mistreatment in the COVID-19 pandemic context by Abril, Carlos

“…At the beginning of the research, the pandemic occurred, making visible forms of mistreatment that were previously simple anecdotes, or were mostly dismissed, which led to the recognition of emotional and behavioral affectations. As a result, an active positioning of teachers in the face of situations of mistreatment was recognized; their work is not limited to the fulfillment of roles and functions, forms of teaching experience were defined that give a sense to the contradictions of practice in order to guide the educational process of their students, specifically the definition of two possible responses was observed, some attached to compliance with current regulations and others from the development of pedagogical innovations.…”

Concepción empírica del marketing territorial en Boyacá a partir de los empresarios, entidades gubernamentales y gremios by Caro Maldonado, Yessika Alejandra

Las dinámicas del sector de la construcción en Colombia, una revisión desde sus indicadores by Rincón González, César Hernando, Rueda Varón, Milton Januario, Sarmiento Rojas, Jorge Andrés

El cementerio municipal de Soacha : patrimonio funerario y reflejo del mundo de los vivos by Rivas Estrada, Sebastián

Efecto del Fibrozyme® en la degradabilidad y la cinética de degradación de la paja de garbanzo (Cicer arietinum) by López Inzunza, Hugo de Jesús, Chongo García, Bertha Bienvenida, O-León, Orestes La, Guerra Liera, Juan Eulogio, López López, Hugo, Luna López, Maribel, López Juárez, Luciano Abelino, Castro Camacho, Samuel Jesús

Modelación matemática en escenarios exploratorio-investigativos by Niño Castillo, Yuri Carolina

Assessment of Chemically Modified Lignocellulose Waste for the Adsorption of Cr (VI) by Tejada-Tovar, Candelaria, Herrera-Barros, Adriana, Villabona-Ortíz, Angel

“…Biomaterial were characterized using an elemental and chemical analysis, and FTIR, in which was evidenced the presence of hydroxyl, carbonyl and carboxyl groups, belonging to the cellulose and lignin that are attributed for the presence of active centers which intervene in the adsorption process. …”

The ecophysiology of cape gooseberry (Physalis peruviana L.) - an Andean fruit crop. A review by Fischer, Gerhard, Melgarejo, Luz Marina

“…Cape gooseberry is classified as moderately tolerant to salinity and 30 mM NaCl curiously promotes growth, since the plant has mechanisms such as increased antioxidant activity to protect against saline conditions.…”

Characterization of the creole-rice production system in La Mojana, in Colombia by Cadena Torres, Jorge, Cuello Pérez, Diana Maria, Romero Ferrer, Jorge Luis, Pérez Cantero, Shirley Patricia

“…The results showed that Creole rice farmers have been engaged in this productive activity for more than 40 years, in small areas of land on the farm. …”

Parents in the Educational Management of Rural Schools by Medina-Arévalo, Adriana Del Pilar, Estupiñán-Aponte, María Rosa

“…However, the research on educational management in these contexts, allows to establish that rural education is being studied from its deprivations and has focused on managers and teachers where parents seen as external agents and with very low participation in the various activities that take place inside the establishments. …”

Didactic Strategy Mediated by the Game, to Minimize Learning Difficulties in Students by Parada-Sánchez, Claudia-Maritza, Páez-Rodriguez, Sandra-Liliana, Vivas-Perilla, Carolina

“…Regarding the planning, implementation and evaluation, teachers of the course will be directors-researchers and students and parents are also actively integrated into the project, with participation, dedication, and commitment in the development of the implementation and evaluation of the didactic strategy. …”

Preparación y caracterización de membranas poliméricas electrohiladas de policaprolactona y quitosano para la liberación controlada de clorhidrato de tiamina / Preparation and Ch... by Sánchez Cepeda, Ángela Patricia

“…The fibers were characterized with support techniques of Scanning Electron Microscopy (SEM), Infrared spectroscopy (FTIR), Differential Scanning Calorimetry (DSC), Thermogravimetric Analysis (TGA), X-Ray Diffraction (XRD), contact angle (Hydrophilicity of the fibers), mechanical testing of the membranes in study, Transmission Electron Microscopy (TEM), Atomic Force Microscopy (AFM). The release of active substance is performed in a buffered saline by phosphates (PBS buffer) over 37C and pH = 7.4. …”