Abstract
SUMMARY Lowbush blueberry growers need recommendations for irrigation scheduling. This study was conducted to determine irrigation water use potential. Initial data were collected from the end of April through early August 2002 using weighing lysimeters to measure evapotranspiration and drainage. High rainfall and drainage rates near the end of April indicated a period of rapid leaching when chemical applications could be beneficially postponed. Nighttime increases in lysimeter weight were observed indicating that direct vapor deposition is a significant factor in the water balance. Results from this ongoing study will be used for scheduling irrigation water applications to improve water use and production efficiency.
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