Wheat crop yielding 50 quintals of grain per hectare removes N, P₂O₅ and K₂O kg/ha, respectively

Nitrogen, phosphorous, and potassium are the essential nutrients provided to the soil for maximum yield, its mixture is also known as NPK fertilizer, it is a combination of all three in specific portions. In a wheat field, when the yield is 50 quintal/hectare, it uses NPK in ratios 100-150, 70-80 and 125-150 respectively.