Potassic fertiliser is graded based on its __________ content. A KCl B K<sub>2</sub>O C KNO<sub>3</sub> D K<sub>2</sub>SO<sub>4</sub> Potassic fertiliser is graded based on its __________ content. Correct Answer K<sub>2</sub>O Bissoy MCQ Team Chemical Engineering Fertiliser Technology