Silica
Silicon
Deficiency Symptoms

Soft, droopy leaves and culms. Leaves become chlorotic which later become necrotic brown spots. Entire leaf becomes brown or pink.  Reduced panicles per m2. Susceptible to lodging.

Correction Measure

Apply Calcium silicate @ 120- 200 kg/ ha (or) Potassium silicate @ 40- 60 kg/ ha for disappearance of symptoms