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United States Department of Agriculture

Agricultural Research Service

Research Project: MEASUREMENT AND MODELING PLANT WATER USE TO QUANTIFY NURSERY WATER REQUIREMENTS

Location: Subtropical Insects and Horticulture Research

Project Number: 6618-13000-004-07
Project Type: Specific Cooperative Agreement

Start Date: Aug 19, 2008
End Date: Aug 18, 2013

Objective:
The objectives of this cooperative research project are to 1) apply aerial and substrate water measurement and modeling techniques, 2) schedule nursery water use by integrating interactions between plant growth environment and recent advances in physiological process modeling of nursery water flux, 3) move toward the development of a real-time model-sensor integrated system that calculates plant water use on a genotype specific basis, and 4) move towards quantifying individual nutrient consumption and application across the growing season.

Approach:
Measure inherent plant physiological responses and calculate physiological parameters. Develop process models for plant water use calculations. Simulate, forecast, and prescribe plant water use on a genotypic basis for selected containerized nursery crops under various irrigation schedules (volume and timing).

Last Modified: 4/23/2014
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