Sorghum Sugarcane
Crop Code No. 025, 026, 027, 028:
Grain Sorghum or Grain Sorghum in Rotation after Wheat (025), Sweet Sorghum (026), Sugarcane (027), or Sunflowers(028)
| Soil Groups 1, 2, 3, or 4 | Desired pH 6.0-6.5 | |||||||||
| Phosphorus | Potassium | |||||||||
| Low | Medium | Sufficient | High | Excessive | ||||||
| pounds of N-P2O5-K2O per acre | ||||||||||
| Low | 100-90-80 | 100-90-60 | 100-90-40 | 100-90- 0 | 100-90- 0 | |||||
| Medium | 100-50-80 | 100-50-60 | 100-50-40 | 100-50- 0 | 100-50- 0 | |||||
| Sufficient | 100-25-80 | 100-25-60 | 100-25-40 | 100-25- 0 | 100-25- 0 | |||||
| High | 100- 0-80 | 100- 0-60 | 100- 0-40 | 100- 0- 0 | 100- 0- 0 | |||||
| Excessive | 100- 0-80 | 100- 0-60 | 100- 0-40 | 100- 0- 0 | 100- 0- 0 | |||||
COMMENTS (1, 4, 5, 6, 7, 9, 34, 315, 650, 651, 652, 653)
Grain Sorghum, Sweet Sorghum, or Sugarcane
34 Broadcast one-half of recommended nitrogen prior to or at planting, and then the remainder as a sidedress.
315 If plants show iron deficiency symptoms (yellow tissue between green veins on upper leaves), apply chelated iron following label directions for the material used, or apply a 2% solution of ferrous sulfate including a surfactant applied at a rate of 120 to 180 gallons per acre. Apply the iron-containing solution to the foliage in the late afternoon when the air temperatures are warm and only to plants that are being adequately watered and fertilized. (Recommendation when soil pH is above 6.0)
651 The soil test boron is low, however, this is not a boron sensitive crop, therefore no boron is recommended. (When soil test boron is low)
652 The soil test manganese is low, however, this is not a manganese sensitive crop, therefore no manganese is recommended. (When soil test manganese is low)
653 The soil test zinc is low, however, this is not a zinc sensitive crop, therefore no zinc is recommended. (When soil test zinc is low)
700 For Grain Sorghum in rotation after wheat, if wheat has been fertilized to bring soil test levels of phosphorus and potassium to the sufficient range or above, apply an additional 15 pounds of phosphorus and 20 pounds of potassium per acre at wheat planting to account for phosphorus and potassium removal by the wheat. If soil test levels of phosphorus are high or excessive prior to wheat planting no additional phosphorus is needed but application of 15 pounds of potash per acre is recommended. Apply 100 units of total nitrogen for sorghum following wheat.
COMMENTS (1, 4, 5, 6, 7, 12, 34, 650, 652, 653)
Sunflower
12 This is a boron sensitive crop. Apply 0.4 lbs boron per acre in the fertilizer or in the insecticide spray in either one or several applications so long as the total boron applied does not exceed 1.0 lb boron per acre. (Recommendation when soil test boron is less than 3.1 lbs per acre)
34 Broadcast one-half of recommended nitrogen prior to or at planting, and then the remainder as a sidedress.
652 The soil test manganese is low, however, this is not a manganese sensitive crop, therefore no manganese is recommended. (When soil test manganese is low)
635 The soil test zinc is low, however, this is not a zinc sensitive crop, therefore no zinc is recommended. (When soil test zinc is low)