BAE Department - University of Kentucky
Calculate calibration seeding rates for wheat based on desired plant population, row spacing and seed tag data. 
 
Instructions:   Enter the items in red…

Desired stand per square yard (enter by trial and error to match seeds per square foot, if known).

Row spacing in inches.

Variety information given on each seed tag (space is provided for 10 varieties).

Note: Enter seeds/lb by trial and error to match gm/1000 seeds, if known.

Number of acres for each variety (enter by trial and error to match total pounds of seed, if known).

Seed costs per bag.

Desired Stand

Row 

spacing 

In.

Plants 

per foot 

of row

per 

square 

yard

per 

square 

foot

Variety Lot No.

No. seeds

per lb.

gm / 1000 seeds

Germ

%

Purity

%

Seeding Rate

No.

acres

No. 

50 lb.

 bags

Cost

lb. per acre

gram per 200 ft 

of row

per

bag

per

seed

lot 

per

acre

$ $ $
$ $ $
$ $ $
$ $ $
$ $ $
$ $ $
$ $ $
$ $ $
$ $ $
$ $ $

Total

$
Average $

Calibration Component Design

by 

Mike Ellis

No-till Farmer/Crop Manager 

Worth & Dee Ellis Farms Shelby County, KY.

Modified 

by 

Sam G. McNeill

UK Extension Agricultural Engineer

to allow for row spacing and to include cost data.

Web Version 

by 

Teri Dowdy

Webmaster, GIS Programmer

UK Biosystems and Agricultural Engineering Department

Updated 06/29/2005

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