A Comparison on the Transpiration Values Measured with Steady State Porometer and Other Three Methods A Study on the Dynamics of Sap Flow in Space and Time in Poplar Stems Soil Heat Flux Measurement Based on Heat Pulse Method Water Consumption ofEucalyptus urophy lla P lantations on the Leizhou Peninsula Characteristics of Sap Flow in Eucalyptus urophylla Plantations on the Leizhou Peninsula A STUDY ON COMPARISON OF MEASURING WATER-CONSUMPTION FOR TRANSPIRATION IN POPLAR A study on sap flux density of two eucalyptus (Eucalyptus uro phylla) plantations in southeastern China by heat-pulse method Water use of apple trees on three rootstocks measured with heat pulse technique The Radial Distribution of Xylem Sap Flow Velocity in Trunks of Pear Trees