Advantages of potassium polyacrylate for potatoes
- Potassium polyacrylate improves soil's ability to hold water In the root zone and then release it to plants As they need it.
- Potassium polyacrylate has also been shown to increase nutrient levels In leaf petiole samples.
- Should be applied at 7 lbs per acre, in-furrow, with potato seed pieces, or at spring mark out before planting.
- Potassium polyacrylate has no toxic components In the soil like plant residues.
Contents
- Othello, WA - Russet Burbank Potatoes
- Hermiston, OR - Premier Potatoes
- Mt Vernon,WA- Chieftan Red Potatoes
Othello, WA-Russet Burbank Potatoes
General trial information
Location: Othello, WA
Crop: Potatoes
Rate of potassium polyacrylate: 7 lbs per acre
Application: Applied In furrow at planting
Harvest: Replicated trial samples harvested By hand
Yield Results
| Field | Untreated | Treated | Increase | |
| Total Lbs | Hendricks Road | 159 lbs | 173 lbs | 14 lbs |
| Tons/Acre | Hendricks Road | 38.68 Tons | 43.371 Tons | 3.51 Tons |
Hermiston, OR - Premier Potatoes
General trial information
Location: Hermiston, OR
Crop: Potatoes
Rate of potassium polyacrylate: 7 lbs per acre
Application: Applied In furrow at planting
Yield Results
| Total Yield | Total Usable | Min 4 oz | Min 6 oz | Min 10 oz | Min 14 oz | |
| Untreated | 37.55 Tons | 91.9% | 17.4% | 30.9% | 24.7% | 18.2% |
| Treated | 40.9 Tons | 94.9% | 10.2% | 30.8% | 26.9% | 27.0% |
| Difference | +3.46 Tons | +3.8% | -7.2% | -0.1% | +2.2% | +5.8% |
Mt Vernon, WA - Chieftan Red Potatoes
General trial information
Grower: Sterling Potato
Location: Mt Vernon, WA
Crop: Potatoes
Variety: Chieftan Reds
Rate of potassium polyacrylate: 7 lbs per acre
Application: Applied In furrow at planting
Yield Results
| Treated | Untreated | Increase | |
| Total Culls | 0.0% | 1.8% | -1.8% |
| <1-7/8" | 3.1% | 3.4% | -0.3% |
| 1-7/8" to 2.25" | 13.6% | 22.4% | -8.8% |
| 2.25" to 2.5" | 22.7% | 29.0% | -6.3% |
| 2.5" to 2.75" | 9.1% | 13.3% | -4.2% |
| 2.75" to 3.0" | 36.6% | 23.8% | +12.8% |
| 3.0" to 3.25" | 3.5% | 3.3% | +0.2% |
| 3.25" to 3.5" | 8.9% | 2.9% | +6.0% |
| >3.5" | 2.5% | 0.0% | +2.5% |