Reading Seed Packaging Labels and Calculating Seed Mixtures

PLS (Pure Live Seed) What it is and How to Use It

Plant Materials Technical Note Number MT-38

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Plant Materials Technical Note Number MT-38 (PDF; 561 KB)

October 2002.
By J. Chris Hoag, Wetland Plant Ecologist, Plant Materials Center (PMC), Aberdeen, Idaho; Loren St. John, Team Leader, PMC, Aberdeen, Idaho; and Dan Ogle, Plant Materials Specialist, Boise, Idaho.

• Introduction
• Purity Test
• Prohibited and Restricted Weeds
• Common Weeds
• Germination Test
• Certified Seed
• Calculating Seed Mixtures
• Adjusting Seeding Rates
• Seeding Rates for Mixtures
• Recommendations
• References and Additional Resources

If you have any questions, please contact:

Jim Jacobs, Plant Materials Specialist
Phone: (406) 587-6995
Email: Jim.Jacobs

Ronald Nadwornick, State Resource Conservationist
Phone: (406) 587-6998
Email: Ron.Nadwornick

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Last Modified: 08/19/2008