Cave-n-Rock Switchgrass is a perennial native grass that grows to 3-5 feet tall, providing excellent nesting and winter cover for pheasants and other birds. A promising new use is for biomass and cellulosic fuel production.
Seeding Rate: 7 - 10 PLS LBS / ACRE
Deer Creek Seed, Inc. sells this product on the basis of Pure Live Seed (PLS) pounds. PLS LBS refers to the amount of live seed in a lot of bulk seed, which can contain other matter including stems, leaves, dead seed, bug parts, etc.
Formula for Calculating PURE LIVE SEED (PLS LBS):
( Percentage of Purity X Percentage of Germination ) / 100 = Percentage of Pure Live Seed (PLS)
Example:
( 99% Purity X 85% Germination ) / 100 = 84% PLS
1 Bulk LBS = .84 PLS LBS
Which means that 1.1 Bulk LBS is equal to 1 Pure Live Seed (PLS) LBS.