Nutri-Aktiv Potasil Humus is a concentrated liquid fertilizer based on potassium silicate, enriched with humic acids. It favors cell wall thickening and decreases external climatic aggression or those produced by diseases. Foliage application: Dosage: 250-400 cc / hl Frequency: repeat every 10-15 days from the first visible leaves after strong humidity conditions. Drip irrigation: Doses of 400-500 cc per hectare and application every 10 days.