The buds start coming out 22-25 days after the transplanting of paddy. At the same time, if the field is grass, then get it done. Arista per acre after nikoni, 6-8 kg. and Urea, 30-35 kg. Mix it and get it fertilized in the field. If thrips/churds or termites are found in the field, then Regent GR, 5-6 kg. Use per acre.