storage method; storage instructions
Refers to how something should be stored, often used for food, medicine, or other items requiring specific conditions.
この食品の保存方法をよく読んでください。
Please read the storage instructions for this food carefully.
適切な保存方法を守れば、長持ちします。
If you follow the proper storage method, it will last longer.
保存 is the general act of preserving or storing; 保存方法 specifies the method or instructions for doing so.
保管方法 is similar but often implies safekeeping or custody, while 保存方法 focuses on preservation conditions.
Compound of 保存 (preservation, storage) and 方法 (method, way).