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Fertilizer rate chart, Rates in pounds per acre, Fertilizer rate charts – Great Plains 1006NT Material Rate User Manual

Page 25: Rates in pounds per acre density conversion charts

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Great Plains Mfg., Inc.

23

04/20/2007

150-285B

9.

Turn gauge wheel or calibration crank for:
595 rotations for the 706 drill and
411 rotations for the 1006 drill.
This is equal to one acre.

10. Check that the three feed cups have plenty of fer-

tilizer coming into them.

11. Weigh metered material. Subtract initial weight of

the empty container. Divide by 3. Multiply by the
number of openers on your drill to determine total
pounds-per-acre metered. If this figure is different
than desired, reset adjustment knob accordingly.

Fertilizer Rate Chart

Metric fertilizer rate is on page 40.

Rates in Pounds per Acre

Density Conversion Charts

The fertilizer meter rate charts are based on fertilizer
with a density of 65 pounds per cubic foot (1.04 kilo-
grams per liter). If you are applying fertilizer of a differ-
ent density, use the following table to convert
application rate.

Example: Your fertilizer has a density of 75 pounds per
cubic foot, and you want to apply 100 pounds per acre.
Multiply the desired application rate by the conversion
factor.

100 x 0.87 = 87

Adjust drill to the setting closest to 87 pounds per acre.

Setting Number

15

20

25

30

35

40

45

50

55

60

65

70

75

80

85

90

95

100

Rows

Application Rate - Pounds per Acre

7 inch

13

23

41

57

78

95

111

131

148

165

184

199

221

235

246

256

259

261

7.5 inch

11

20

38

54

72

89

105

123

138

157

174

187

209

223

234

242

245

247

8 inch

11

20

36

50

69

84

98

115

130

146

163

176

195

207

219

226

228

231

10 inch

8

16

29

40

54

67

79

92

104

118

131

140

157

167

175

182

183

185

Density, lb/ft

3

45.0

50.0

55.0

60.0

65.0

70.0

75.0

80.0

Conversion Factor

1.45

1.30

1.20

1.10

1.00

0.93

0.87

0.81

Drill

Model

Revolutions for One

Acre

Hectare

706NT

595

1470

1006NT

411

1016

MeasuredMaterial EmptyContainer

3

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PoundsPerDropTube

=

PoundsPerDropTube NumberOfTubes

×

PoundsPerAcre

=

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