Liquid fertilizer orifice plate selection, metric – Great Plains YP825AR Material Rate User Manual
Page 122
118
YP825AR
Great Plains Manufacturing, Inc.
401-923B
2013-11-11
Liquid Fertilizer Orifice Plate Selection, Metric
See page 67 for a chart in U.S. customary units.
Orifice Plate Size
20
28*
34*
48*
59
80
98
Recommended Rate Range in Liters per Hectare. Pressure is 15 - 40 PSI
Nozzle Spacing
(Values based on: 8.0 kph, 1.28 kg/liter Fertilizer solution density)
Twin Row 70 cm or 35 cm
20 - 33
38 - 62
57 - 94
112 - 182
169 - 276
309 - 505
487 - 796
Twin Row 75 cm
19 - 31
36 - 58
53 - 87
104 - 170
158 - 257
289 - 471
455 - 743
Twin Row 30 in.
19 - 30
35 - 57
53 - 86
102 - 167
155 - 253
284 - 464
448 - 731
22.0 in. Rows
13 - 13
24 - 24
36 - 36
70 - 70
106 - 106
194 - 194
305 - 305
56 cm Rows
13 - 13
24 - 24
36 - 36
70 - 70
106 - 106
193 - 193
305 - 305
70 cm Rows
10 - 17
19 - 31
29 - 47
56 - 91
84 - 138
155 - 252
244 - 398
75 cm Rows
9.5 - 15
18 - 29
27 - 44
52 - 85
79 - 129
144 - 236
227 - 371
30 in. Rows
9.3 - 15
18 - 29
26 - 43
51 - 84
78 - 127
142 - 232
224 - 366
* These sizes standard in most Great Plains fertilizer systems.