Dosage: water Packing: 5kg * 4 barrels, 1000ml * 12 bottles Technical indicators: Total nitrogen (N) 40g / L, water soluble phosphorus (P2O5) 300 g / L, water soluble potassium (K2O) 400 g / L, composite trace element (TE) 20 g / L Features: 1, Water Soluble NPK 40-300-400+TE suitable for a variety of crop growth period of nutritional needs, rich in nitrogen, phosphorus and potassium and chelate trace elements reasonable ratio, and promote the healthy growth of crops. 2, to promote crop roots developed, and quickly enhance the ability of plants to absorb nutrients and water, promote cell division, accelerate crop growth. 3, Water Soluble NPK 40-300-400+TE to promote shortening of plant nodes, reduce crop height, control shoots to prevent leggy. Usage: 1, foliar spray diluted 1000-1500 times uniform spray. 2, with the water irrigation: per mu per impulse 5kg. 3, drip irrigation: 3kg per mu each time.