Water requirement estimation of young rabbiteye blueberry plant based on water surface evaporation method
In order to clarify the feasibility of water requirement estimation by water surface evaporation method,actual water requirement of young rabbiteye blueberry plants were measured by water balance method in this paper.Simultaneously,water surface evaporation above the canopy was estimated using the standard 20 cm evaporation pan.The relationship between actual water requirement and water surface evaporation was studied,and the water requirement model based on water surface evaporation was established.According to the water requirement estimation model,the fitting value of evapotranspiration was obtained,and regression analysis was conducted for the relevance between estimated and measured evapotranspiration.The results showed that,there were significant positive correlations between the measured and estimated evapotranspiration,indicating that actual water requirement estimation by water surface evaporation above the canopy is feasible and effective.Our results provide reference and guidance for water requirement estimation and water management of blueberry under the similar climatic and geographical conditions.
water requirementpan evaporationwater managementrabbiteye blueberry
万方数据
维普
