Abstract The cultivation of orange trees in Amazonas, Brazil relies predominantly on grafted plants combining ‘Pera’ scion and ‘Rangpur’ lime rootstock. Alternative rootstocks better adapted to the conditions region have not been investigated. Therefore, objective this research was test seven for production high-quality oranges under typical Amazon. Citrus evaluated from May August between 2017...

Este trabajo propone un análisis del libro Teatro campesino publicado en 1969 por Víctor Zavala Cataño, el cual posee siete obras dramáticas que presentan problema indigenista de la tierra, reivindicación indio y cosmovisión andina como rasgos esenciales su «neoindigenismo» (Escajadillo, 1989). Asimismo, superposición sus situaciones, siguiendo a Fontanille (2001), esclarece tres programas narr...

BACKGROUND Rural populations in the Gran Chaco region have large prevalence rates of Trypanosoma cruzi infection and very limited access to diagnosis and treatment. We implemented an innovative strategy to bridge these gaps in 13 rural villages of Pampa del Indio held under sustained vector surveillance and control. METHODOLOGY The non-randomized treatment program included participatory works...

Heleobia piscium (d'Orbigny, 1835), a member of the Cochliopidae family found only in South America, is distributed from Entre Ríos, Delta del Paraná, and the littoral of the Río de la Plata down as far as to Punta Indio (Buenos Aires), the southernmost limit of the snail's geographical distribution. To date, little information is available regarding the reproductive cycle of species within thi...

Este artículo aborda el estudio de los indios que proveían leña, carbón y madera a las ciudades reales minas la Nueva España.
 Procura demostrar pesar su aparente modestia eran productos muy relevantes, ausencia o escasez podía tener serias consecuencias en vida cotidiana buena marcha varias actividades productivas. El texto describe características condiciones se realizaba esta labor argu...