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United States Department of Agriculture

Agricultural Research Service

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Research Project: Examining Plant Growth Regulator (Pgr) and Herbicial Activity on Container-Grown Crops Produces in Alternative Soilless Substrates

Location: Southern Horticultural Research

Project Number: 6062-21430-002-03
Project Type: Specific Cooperative Agreement

Start Date: Sep 01, 2012
End Date: Aug 31, 2017

Objective:
The objective of this cooperative research is to characterize and fully measure the efficacy of certain herbicides and plant growth regulators applied to crops grown in various soilless substrates.

Approach:
Different rates of herbicides and plant growth regulators (PGRs) will be applied to container-grown plants produced in various soilless substrates. Using a nutrient recovery system, the effluent and/or substrate at various depths will be collected and analyzed to determine the rate of leaching. In addition, applied radio-labeled herbicides will be analyzed to determine efficacy in these alternative substrates, especially in the root zone.

Last Modified: 12/20/2014
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