NPK 00:42:47 + Fe Maintains quality, colour & shelf-life. Accelerates growth & prevents general chlorosis. Provides structural strength. Improves seed production. Specifications DosageCropsStory Board Appearance White coloured powder pH(1%) 5.5 ± 1 Total P As P2O5 Min. 42% Total K as K20 Min. 47% Iron (Fe) 2.90% Foliar application : 1.0 g/lt of water.Drip application : 500 g/acre.Recommended Crops : Cereals, Cotton, Soybeans, Citrus, Pomegranate, Grapes, Strawberries & vegetables.