Part2. Panicle initiation Occurs when 3 out of 10 main Tillers have a panicle. Right TOPDRESSING

Panicle initiation occurs when 3 out of 10 main tillers have a panicle that is 1–3 mm long. Panicle initiation indicates the beginning of the top-dressing window. This is the best period, after permanent water has been applied, to apply N to the rice crop should it be deficient and K for Resistant to Peste & Diseases.