Water Retainer treatment was done after sawing before germination in Autumn 2019.
Treated area: 5ha. The residual part of the field was the untreated control.
Soil type: saline meadow chernozem
Pre-crop: winter wheat
Soil preparation: medium loosening
Weed control: Springbok, (pre-emergent herbicide)
Water retainer dosage and treatment: 10 litre/ha sprayed together with a pre-emergent herbicide
Water Retainer treated: 3 984 kg/ha
Control: 3323 kg/ha
Yield increase: 661 kg/ha, which meant a 19.89% surplus yield.