Rice

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When

  • At sowing: 15 March 2018
  • At harvest: 25 July 2018

Where

USA

Crop

Rice (Oryza sativa)

Soil Type

Sandy, silt-loam soil

Measurements

Yield

Polysulphate increased rice yield by 5.5% over grower standard practice.

Location

LSU AgCenter Rice Research Station, Rayne, Louisiana, USA

Objective

To evaluate Polysulphate as a fertilizer source for ‘CL153’ rice grown in sandy, silt-loam soils in southern Louisiana, USA.

Treatments

This trial compared rice grow using grower standard practice, and grower standard practice with Polysulphate.

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. The Polysulphate treatment was a duplicate of the grower standard practice with the addition of 196 kg Polysulphate/ha applied pre-flood.

Results

  • Polysulphate increased rice yield by 534 kg/ha (5.5%) over grower standard practice.

 

Polysulphate fertilizer increases rice yield