redalyc.org
Red de Revistas Científicas de América Latina y el Caribe, España y Portugal
Scientific Information System
Español | Português | Deutsch |
Terra Latinoamericana
logo de institución

Estimación de la humedad del suelo para maíz de temporal mediante un balance hídrico

Abstract
English
Spanish
Spatial and temporal variability of rainfall makes it a poor indicator of water availability for plants. An option is to quantify the soil moisture dynamics at the plant root zone by means of a water balance. Following this goal, a simulation model to quantify the available humidity for corn crop under rainfed conditions was used. The model showed the best fitness when soil water content kept lower than field capacity. However, when soil moisture surpassed field capacity, because of intensive or continuous rainfall, the model overestimated soil moisture. A comparison between observed and estimated data showed values of r2 ranking from 0.654 to 0.903.