Great Plains Mfg., Inc. Manufacturing, Inc. www.greatplainsmfg.com Seed Rate Charts for 15ft Precision Seeding Systems The following pages are to assist in the proper setting of seeding rates for the 1510P, 1520P, 1525P, and 1510HDP precision seeding systems. The rates indicated in the charts for volumetric seeds are approximate values. To assure the most accurate seeding rate it is recommended that the drill be calibrated for the desired seed at the time of planting.
Table of Contents Sprockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 Drive Speed Range Sprockets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Transmission Sprockets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Checking Seeding Rate . . . . . . . . . . . . . . . . .
Sprockets Drive Speed Range Sprockets Select the correct drive speed range sprockets for your seed by referring to the Seed Rate Charts beginning on page 6. Driven 3 Refer to Figure 1 Loosen idler (1) and remove chain (2). Remove retaining pins (3) from shafts and install speed range sprockets as necessary. NOTE: Make sure the correct sprockets have been installed in the DRIVER and DRIVEN locations as shown. 2 Reroute chain over sprockets and idlers as shown.
Checking Seeding Rate Checking Volumetric Seeding Rate The seed charts are based on cleaned seed and 9.5L x 15, rib implement tires. Factors including foreign material, seed treatment, seed size, seed weight, field conditions and tire pressure will affect seeding rate. Set and check the seeding rate, then readjust the rate as necessary. 1. Record the weight of an empty container large enough to hold seed metered from three meters for one acre. 2.
Checking Singulated Seeding Rate The seed charts are based on cleaned and sized seed. Extreme seed size variations, foreign material and tire pressure will affect the seeding rate. Check the seed population rate as described below. Example 2: Twin Row If you have a Twin Row 30” spacing drill, according to chart, both rows of the twin row must be counted. Measure 87’ 1” and count the number of seeds in the parallel row. If the number is, for example, 170, multiply 170 by 200. 1.
Seed Rate Charts Seed Lubricants 25477 29248 Singulator Plus Meters (all seeds) Finger Pickup Meters Ezee Glide Plus Talc-Graphite Mix EZ-Slide Graphite Powder 821-069C bucket, 5 gallon (19 liter) 821-042C bottle, 1 pound (450 grams) 821-060C jug, 5 pound (2.3 kg) Ezee Glide Plus Lubricant To maximize performance of Great Plains metering systems, it is imperative to use only “Ezee Glide Plus” lubricant.
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LOW RICE Opener Series: 10HDP - 25P 403-426D RICE LOW RATE 817-529C FLOW GATE This wheel Requires Flow Gate 7 1/2" Row Spacing 10" Row Spacing Drill Model: 15' Precision 3PT Range Sprockets: Driver = 15 Driven = 30 Transmission Combinations Driver 25 19 28 27 26 28 27 23 28 24 25 23 26 24 27 25 28 26 27 28 118-959B Seed Rate Driven (pounds/acre) 23 17 25 24 23 24 23 19 23 19 19 17 19 17 19 17 19 17 17 17 Opener Series: Volumetric CL-XL8 Seeds/Pound-21855 TALC REQUIRED 24.5 25.2 25.3 25.4 25.
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Seed Rate Application Charts for Finger Meter Seed Lubricants Finger Pickup Meters EZ-Slide Graphite Powder 821-042C bottle, 1 pound (450 grams) 821-060C jug, 5 pound (2.3 kg) For Finger Pick Up Meters Only Use only approved Graphite Powder available from Great Plains Mfg. Inc. or Precision Planting to ensure proper lubrication of finger pickup corn seed meters. Recommended usage: For finger pickup meters, add one tablespoon (15 ml) of graphite for each unit of seed corn (80,000 kernels).
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Sprocket Indexing Charts for Finger Pickup Meters NOTE: The charts on the following pages are to be used for indexing finger pickup meter sprockets only!!! Indexing sprockets will help time twin rows to drop seeds in an alternating sequence. THESE CHARTS ARE NOT SEED RATE CHARTS.
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Small Seeds Attachment To set and calibrate the seeding rate on the optional small seeds attachment, follow these steps. Set the seed-rate handle on the small seeds attachment as indicated by the Small Seeds Rate Chart on the next page. Checking Volumetric Seeding Rate The seed charts are based on cleaned seed and 9.5L x 15, rib implement tires. Factors including foreign material, seed treatment, seed size, seed weight, field conditions and tire pressure will affect seeding rate.
10 .2 15 .9 20 1.5 25 2.2 30 2.7 35 3.3 40 3.7 45 4.2 50 4.6 55 5.1 60 5.5 65 5.9 70 6.3 75 6.7 80 7.0 85 7.4 90 7.7 95 8.1 100 8.4 0 .1 .7 1.1 1.6 2.0 2.4 2.7 3.1 3.4 3.7 4.0 4.3 4.6 4.9 5.2 5.4 5.7 5.9 6.2 7.5" 0 .9 1.6 2.6 3.9 4.9 6.1 7.4 8.6 9.8 11.1 12.5 13.7 14.9 16.3 17.6 18.8 20.4 21.9 23.5 10" 0 .6 1.5 1.9 2.5 3.6 4.5 5.4 6.3 7.2 8.1 9.1 10.0 10.9 12.0 12.9 13.8 14.9 16.1 17.2 7.5" 0 .5 .9 1.4 2.1 2.6 3.3 4.0 4.7 5.3 5.
Microband Checking Volumetric Application Rate The Microband charts are based on ideal conditions. Factors including, but not limited to, changing chemical formulas, field conditions and tire pressure will affect application rate. Check the application rate, then readjust the rate as necessary. 1. Record the weight of an empty container large enough to hold chemical metered from one hopper for one acre. 2. Place several pounds of chemical over the chemical rotors in an outside hopper.
Microband Charts 15P Drill Corn Microband Chain Twin 7 1/2” Rows on 30" Centers 28 Cell Corn Wheel 15" Row Spacing 28 Cell Corn Wheel Range Sprockets Range Sprockets Driver: 15 Driven: 30 Driver: 15 Driven: 30 Jack Shaft Chain Driver Driven Driver Driven (approx.) lbs/Acre oz/1000’ of Row* max. MPH (approx.) lbs/Acre oz/1000’ of Row* max. MPH 41 24 30 19 25.8 11.85 5.0 25.8 11.85 5.0 41 27 30 19 22.9 10.53 5.0 22.9 10.53 5.0 36 27 30 19 20.1 9.25 6.0 20.
Microband Charts 15P Drill Corn Microband Chain 20" Row Spacing 28 Cell Corn Wheel 20" Row Spacing 42 Cell Corn Wheel Range Sprockets Range Sprockets Driver: 20 Driven: 30 Driver: 20 Driven: 60 Jack Shaft Chain Driver Driven Driver Driven (approx.) lbs/Acre oz/1000’ of Row* max. MPH (approx.) lbs/Acre oz/1000’ of Row* max. MPH 41 24 30 19 25.8 15.80 4.0 12.9 7.90 7.0 41 27 30 19 22.9 14.04 4.0 11.5 7.20 8.0 36 27 30 19 20.1 12.33 4.0 10.1 6.17 8.
Microband Charts 30" Row Spacing 42 Cell Corn Wheel 15P Drill Corn Range Sprockets Microband Chain Jack Shaft Chain Driver: 15 Driven: 30 Driver Driven Driver Driven (approx.) lbs/Acre oz/1000’ of Row* max. MPH 41 24 30 19 12.9 11.85 5.0 41 27 30 19 11.5 10.53 5.0 36 27 30 19 10.1 9.25 6.0 32 27 30 19 9.0 8.22 6.0 36 32 30 19 8.5 7.80 7.0 27 26 30 19 7.8 7.20 7.0 26 27 30 19 7.3 6.68 8.0 24 27 30 19 6.7 6.17 8.0 26 32 30 19 6.1 5.
Microband Charts 15P Drill Cotton Microband Chain 7 1/2” Row Spacing Cotton 7 1/2” Row Spacing High Rate Cotton Range Sprockets Range Sprockets Driver: 15 Driven: 60 Driver: 15 Driven: 30 Jack Shaft Chain Driver Driven Driver Driven (approx.) lbs/Acre oz/1000’ of Row* max. MPH (approx.) lbs/Acre oz/1000’ of Row* max. MPH 41 24 30 19 25.8 5.92 8.0 51.6 11.85 5.0 41 27 30 19 22.9 5.27 8.0 45.9 10.53 5.0 36 27 30 19 20.1 4.62 8.0 40.3 9.25 6.
Microband Charts 15P Drill Cotton Microband Chain 10" Row Spacing Cotton 10" Row Spacing High Rate Cotton Range Sprockets Range Sprockets Driver: 20 Driven: 60 Driver: 20 Driven: 30 Jack Shaft Chain Driver Driven Driver Driven (approx.) lbs/Acre oz/1000’ of Row* max. MPH (approx.) lbs/Acre oz/1000’ of Row* max. MPH 41 24 30 19 25.8 7.90 8.0 51.6 15.80 3.0 41 27 30 19 22.9 7.02 8.0 45.9 14.04 4.0 36 27 30 19 20.1 6.17 8.0 40.3 12.33 4.
Microband Charts 15P Drill Cotton Microband Chain 15" Row Spacing Cotton 15" Row Spacing High Rate Cotton Range Sprockets Range Sprockets Driver: 15 Driven: 30 Driver: 30 Driven: 30 Jack Shaft Chain Driver Driven Driver Driven (approx.) lbs/Acre oz/1000’ of Row* max. MPH (approx.) lbs/Acre oz/1000’ of Row* max. MPH 41 24 30 19 25.8 11.85 5.0 51.6 23.70 2.5 41 27 30 19 22.9 10.53 5.0 45.9 21.07 2.5 36 27 30 19 20.1 9.25 6.0 40.3 18.50 3.
Microband Charts 15P Drill Cotton Microband Chain 20" Row Spacing Cotton 30" Row Spacing Cotton Range Sprockets Range Sprockets Driver: 20 Driven: 30 Driver: 30 Driven: 30 Jack Shaft Chain Driver Driven Driver Driven (approx.) lbs/Acre oz/1000’ of Row* max. MPH (approx.) lbs/Acre oz/1000’ of Row* max. MPH 41 24 30 19 25.8 15.80 4.0 25.8 23.70 2.5 41 27 30 19 22.9 14.04 4.0 22.9 21.07 2.5 36 27 30 19 20.1 12.33 4.0 20.1 18.50 3.0 32 27 30 19 17.9 10.
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