SciELO - Scientific Electronic Library Online

 
vol.1 número17DESARROLLO DE UN MICROSCOPIO DE EPIFLUORESCENCIA DE BAJO COSTOHIDROQUÍMICA DE LA PRESENCIA NATURAL DE ARSÉNICO EN AGUAS SUBTERRÁNEAS DE ÁREAS SUBURBANAS DE COCHABAMBA-BOLIVIA Y EVALUACIÓN DE LA VIABILIDAD TÉCNICA DE PROCESOS DE REMOCIÓN índice de autoresíndice de materiabúsqueda de artículos
Home Pagelista alfabética de revistas  

Servicios Personalizados

Articulo

Indicadores

Links relacionados

  • No hay articulos similaresSimilares en SciELO

Compartir


Investigación & Desarrollo

versión On-line ISSN 2518-4431

Resumen

VEGA PONCE, Cristhian  y  MEJIA MARCACUZCO, Jesús Abel. ELASTICITY MODULUS AS A HYDRIC REGULATION CRITERION OF COMMON BEAN (PHASEOLUS VULGARIS L.) UNDER CONTROLLED IRRIGATION REDUCTIONS. Inv. y Des. [online]. 2017, vol.1, n.17, pp. 15-25. ISSN 2518-4431.

The purpose of this research was to study the effect of controlled irrigation reductions on the elasticity modulus (εv) in common bean plants (Phaseolus vulgaris L.) cultivated in hydrogravitropic response pots. The plants were submitted to complete root irrigation (RCR) and partial root zone-drying irrigation (RPR), where the water assigned according to the water-soil retention curve allowed to control and configure four treatments (RPR300, RPR500, RCR300 and RCR500 or control). The xylem water potential (Ψx) of the leaves was monitored, and then the pressure-volume curve (P-V) was constructed to determine εv. The results showed that the different volumes of water applied generated significant variations in the levels of εv; however, in the treatments configured to bring the soil to field capacity (RPR500 and RCR500) it was where the best performance of εvwas obtained, effect expected mainly before applying the irrigation to the plants (15,63 and 15,34 MPa, respectively). Finally, although both treatments obtained the same level of significance of εv, RPR500 stood out about the control treatment, because the reduced water volumes, combined with the maintenance of different moisture values in the soil explored by the roots, could be a key in favor of an elastic fit.

Palabras clave : Water Stress; Elasticity Modulus; Partial Rootzone-Drying Irrigation.

        · resumen en Español     · texto en Español     · Español ( pdf )

 

Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License