CALVING RECORD BOOK - UFA.com

Seeding & Density for Pure Stand
PLS/metre
of row
PLS/m²
1,000 kernel
weight
Seeds/kg**
Approximate number
of seeds at
1 kg/ha
Seeding rate PLS kg/ha*
row spacing in cm
Seeding Density Grams Average m² ft.² 15 23 30
Legume species
Alfalfa 40 - 120 175 - 550 2.00 500,008 50 5 11 7 5
Grass species
Bromegrass (Meadow) 40 - 70 175 - 350 5.22 191,527 19 2 19 13 10
Bromegrass (Smooth) 40 - 70 175 - 350 3.17 314,997 31 3 12 8 6
Orchard (Grass) 180 - 200 700 - 900 1.06 941,815 94 9 13 9 7
Ryegrass (Annual-Italian) 100 - 140 400 - 600 2.09 478,403 48 4 16 11 8
Ryegrass (Perennial) 100 - 140 400 - 600 1.89 529,991 53 5 15 10 7
* PLS kg/ha: Canada Seeds Act standards are used for germination and purity in developing PLS seeding rates.
All PLS seeding rates are based on bare seed.
** Data source: USDA NRCS National Plants Database at http://plants.usda.gov/index.html
*** Chart information is from AGRI-FACTS, a publication from the Alberta Ag-Info Centre. For more information
on forage seeding recommendations, contact your local UFA Farm and Ranch Supply Store or contact the
Alberta Ag-Info Centre at 310-FARM (3276) or check the website at www.agriculture.alberta.ca.
PLS = Pure Live Seeds