Objectives: To evaluate and compare the level of learning about healthy habits through audiovisual media and text in primary school students. Materials and methods: Quasi-experimental study carried out in two Primary Educational Institutions located in North of Lima. Students of both sexes between 10 and 12 years of age who were in the fourth, fifth and sixth grade voluntarily participated. The study variable was the level of learning about healthy habits (healthy food and physical activity) after an educational session by trained personnel, applied in two intervention groups, in the first group a text was used and in the second group a medium audiovisual. The measurement was made with an evaluation questionnaire applied to both groups. Results: In the post-test, the group of children who participated with text reading obtained a mean score of 64.68 (95% CI: 61.03 to 68.32), while in the...

Objectives: To evaluate and compare the level of learning about healthy habits through audiovisual media and text in primary school students. Materials and methods: Quasi-experimental study carried out in two Primary Educational Institutions located in North of Lima. Students of both sexes between 10 and 12 years of age who were in the fourth, fifth and sixth grade voluntarily participated. The study variable was the level of learning about healthy habits (healthy food and physical activity) after an educational session by trained personnel, applied in two intervention groups, in the first group a text was used and in the second group a medium audiovisual. The measurement was made with an evaluation questionnaire applied to both groups. Results: In the post-test, the group of children who participated with text reading obtained a mean score of 64.68 (95% CI: 61.03 to 68.32), while in the...

Bajo condiciones de campo se evaluó el efecto dé cinco cultivos de cobertura intercalados e incorporados en un sistema de producción de banano , orgánico sobre las poblaciones y tasa de multiplicación de Melidogyne spp y nematodos de vida libre. El cultivo de lechuga se utilizó como hospedante susceptible en dos ciclos sucesivos de siembra, se aplicó un diSeñó de bloque completos al azar con tres repeticiones. Crotalaria juncea, Mucuna pruriens y Tagetes erecta se comporraron como pobres hospedantes de Meloidogyne spp., con índices de agallamiento menores o iguales al grado uno y una infestación que no superaron los 230 huevos y juveniles por gramo de raíz. La dinániica de poblaciones de Meloidogyne spp. presentó un patrón descendente en el hospedante susceptible lechuga, los niveles del nematódo en él suelo al final del segundo ciclo de crecimiento disminuyeron en un 80...