Explanation:

Human resource planning (HRP) is the continuous process of systematic planning ahead to achieve optimum use of an organization's most valuable asset—quality employees. Human resources planning ensures the best fit between employees and jobs while avoiding manpower shortages or surpluses

Production planning on the other hand is “the administrative process that takes place within a manufacturing business and that involves making sure that sufficient raw materials, staff and other necessary items are procured and ready to create finished products according to the schedule specified