State-space approach for the analysis of soil water content and temperature in a sugarcane crop - Dourado Neto, Durval; Timm, L. C.; Oliveira, J. C. M. de; Reichardt, Klaus; Bacchi, Osny Oliveira Santos; Tominaga, T. T.; Cassaro, F. A. M. (Scientia Agricola, 1999)