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Copy link Polyphos Improves Potato Yield and Tuber Size with 30% Less Phosphorus
yield increace
Pas-de-Calais, France 2024
yield increace
Key Conclusions
Application of Polyphos 09-24-04 with lower phosphorus and nitrogen rate as starter fertilization resulted in 6% higher yield comparing to Grower practice (100 P supply), and improved potato size distribution.
Objective
To test the benefits of Polyphos 9-24-4+2MgO+18SO3, 1-2M (18% coated P) with 30% reduced P rate as an alternative to DAP 18-46-0 for starter fertilization.
Trial Details
Trial Location
Pas-de-Calais, France
Crop
Potato
Assessments
Yield
Treatments
Trial set-up
Randomized block design, 6 repetitions. Plot size 30 m2.
| Treatment | Product | kg/ha |
|---|---|---|
| Grower practice | DAP | 200 |
| CAN27 | 610 | |
| KCL | 550 | |
| Polyphos 9-24-4+2MgO+18SO3, 1-2M (18% coated P), 70% P | Polyphos | 270 |
| CAN27 | 610 | |
| KCL | 550 |
Treatments
Trial set-up
Randomized block design, 6 repetitions. Plot size 30 m2.
| Treatment | Product | kg/ha |
|---|---|---|
| Grower practice | DAP | 200 |
| CAN27 | 610 | |
| KCL | 550 | |
| Polyphos 9-24-4+2MgO+18SO3, 1-2M (18% coated P), 70% P | Polyphos | 270 |
| CAN27 | 610 | |
| KCL | 550 |
Results
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