The main reason corn in the husk goes bad is because of the high water content - it's like a sponge just waiting to absorb moisture and start growing mold and bacteria. When corn is picked, the natural process of respiration continues, which means it's still "breathing" and using up its stored energy. As this process happens, the corn's natural sugars start to convert into starch, making it less sweet and more starchy.
But don't worry, there are ways to slow down this process and keep your corn in the husk fresh for longer. One trick is to store it in a cool, dry place - like a pantry or cupboard - away from direct sunlight and heat sources. You can also try storing it in the refrigerator to slow down the respiration process and keep it fresh for up to a week.
Corn Husk Usage at Laurice Carter blog
Another great way to keep corn in the husk fresh is to keep it dry. Excess moisture can lead to mold and bacterial growth, so it's essential to keep the husks dry and free from moisture. You can even try using a paper bag or a breathable cloth to store the corn, which will help to absorb any excess moisture and keep it fresh.