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Copy link Polysulphate Rice Trial in USA
5.5
Yield increase
Polysulphate increased rice yield by 5.5% over grower standard practice.
LSU AgCenter Rice Research Station, Rayne, Louisiana, USA 2018
5.5
Key Conclusions
Polysulphate fertilizer is a soluble, easily absorbed, cost effective answer to crop nutrition, containing four key plant nutrients: sulfur, potassium, magnesium and calcium.
Objective
To evaluate Polysulphate as a fertilizer source for ‘CL153’ rice grown in sandy, silt-loam soils in southern Louisiana, USA.
Trial Details
Trial station
LSU AgCenter Rice Research Station, Rayne, Louisiana, USA
Product
Polysulphate®
Treatments
- The Polysulphate treatment was a duplicate of the grower standard practice with the addition of 196 kg Polysulphate/ha applied pre-flood
- Grower standard practice consisted of 157 kg N/ha in the form of urea, 112 kg N/ha at pre-flood, and 45 kg N/ha at green ring
- Phosphorus was applied pre-flood at 112 kg P2O5/ha from DAP and Super PK
- Potassium was applied pre-flood at 67 kg K2O/ ha per acre from Super PK
Treatments
- The Polysulphate treatment was a duplicate of the grower standard practice with the addition of 196 kg Polysulphate/ha applied pre-flood
- Grower standard practice consisted of 157 kg N/ha in the form of urea, 112 kg N/ha at pre-flood, and 45 kg N/ha at green ring
- Phosphorus was applied pre-flood at 112 kg P2O5/ha from DAP and Super PK
- Potassium was applied pre-flood at 67 kg K2O/ ha per acre from Super PK
Results
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The four-in-one natural fertilizer
