Short term food supply

How to set up the long-term stockpile?　長期備蓄の仕方は？   “What is the difference between the short-term and the long-term?” “Long-term means we store a lot of food for a long time, right?” “Can I manage both the short-term stockpile and the long-term stockpile?”   You might wonder why we need to set up short and long-term