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DEKALB Canola Recalibration Calculator

When it comes to canola seed, we’ve made sure you’re getting the right number of seeds in every bag. And now with the Canola Recalibration Calculator, you can quickly determine if a drill recalibration is necessary.

Regardless of TSW (Thousand Seed Weight) every bag of DEKALB canola will have a no less than 4.25 million seeds per bag and is recommended to seed at 10 acres per bag. Simply divide the total pounds of the bag by 10 to get your seeding rate. Example: Bag weight = 45 lbs. 45 lbs/10acres = 4.5 lbs/acre seeding rate.

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It is important to always calibrate the drill, based on your canola seed TSW, to achieve the desired plant population. This recalibration calculator will help you determine if you need to recalibrate your drill if receiving canola seed with multiple TSWs.

For starters enter the bag weight of your DEKALB canola hybrid. The bag weight is printed on the front of the bag. The calculator will tell you what range of TSWs allow you to maintain the same seeding rate, and still achieve the target plant population. If your other canola seed TSW falls outside of this range you will need to adjust your seeding rate and recalibrate your drill based on the new canola seed TSW.

DEKALB Bag Weight

(4.25 Million Seeds)

lbs
Bag weight must be at least 29 lbs.Bag weight must be less than 70 lbs.

Recommended Seeding Rate

Assuming 60% Survivability

XXX lbs / acre

Thousand Seed Weight Range

Minimum
Maximum

Instructions:

  1. When you begin seeding, you should calibrate your drill to initial seed TSW (thousand seed weight) on the bag.
  2. To determine whether you will need to recalibrate for different bag TSWs, enter the initial bag weight and a TSW minimum and maximum range will calculate.
  3. If your next bag falls within the TSW range you may continue with your current seeding rate without a further recalibration.
  4. If other DEKALB seed lots fall outside of this range please recalibrate your drill based on new TSW.
  5. Entering the weight of a tote or SeedPak: A tote is equal to 20 bags. Divide the weight of the tote by 20 to equal an individual bag weight. A SeedPak is equal to 40 bags. Divide a SeedPak by 40 to equal an individual bag weight. Enter in this bag weight.

Calculations are based on targeted plant population of 5-8 plants/sq ft. and 60% survivability.

Canola seed with a wide enough variance in TSW size will require separate calibrations of your drill. Drill calibration and accuracy should be monitored regularly throughout seeding to ensure proper amount of seed is being planted.

Adjusting Seeding Rate:

Looking to further refine your canola seeding rate?

If you are looking to refine your canola seeding rate based on known or estimated survivability in your fields, TSW of your seed and your target plant population you can use this chart or the Canola Council of Canadas Seeding Rate Calculator.

View Seeding Rate Chart

Frequently Asked Questions

Does this calculator allow me to adjust my seeding rate?

No. The recommended seeding rate is 10 acres per bag based on 60% survivability, to achieve 5-8 plants/ft2. If you wish to further refine your seeding rate based on your known or estimated canola survivability, click here for the Canola Council of Canada’s seeding rate calculator.

Use the seeding rate chart above, or use the following Seeding Rate Formula:

Seeding Rate (lbs/acre) = 9.6 x Desired Plant Stand (Plants/FT2) x TSW (grams) / Estimated Survivability

How many DEKALB TSWs can I expect to receive?

Canola seed production TSWs can vary from year to year and vary by hybrid. No different then today you may receive multiple canola seed TSWs.

What do I do if I receive different canola seed lots with two different TSWs?

Use the recalibration calculator above to see if the TSW range will allows you to maintain your seeding rate and achieve your target plant population. If the TSWs are to far apart and fall outside of this range a recalibration is required and new seeding rate is to be used for that seed size.

Is TSW and TKW the same?

TSW = Thousand Seed Weight in grams per 1000 seeds. TKW = Thousand Kernel Weight. Since canola seed is not a kernel the term used is Thousand Seed Weight.

Where can I find my seeding rate?

Regardless of TSW every bag of DEKALB canola will have a no less than 4.25 million seeds per bag and is recommended to seed at 10 acres per bag. The weight of every bag will be printed on the front of the bag. Simply divide the total pounds of the bag by 10 to get your seeding rate. Example. Bag weight is 45 lbs. 45 lbs/10acres = 4.5 lbs/acre seeding rate.

Where can I find the TSW of my DEKALB canola seed?

The TSW is printed on the front of every bag as well as the blue Certified Seed Tag.

How will packaging change in 2021?

DEKALB canola seed is available in bags, totes and SeedPaks which will contain no less than:

  • 4.25M seeds/bag . 10 acres/bag
  • 85M seeds/tote . 200 acres/tote
  • 170M seeds/SeedPak . 400 acres/SeedPak

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