Corn
- Variety: White, yellow, sweet, dent, flint, etc.
- Size: Measured in ear length or kernel diameter.
- Color: Specific color requirements for kernels and/or husks.
- Maturity: Milk, dough, dent stage for fresh corn; moisture content for grain corn.
- Husk quality: Fresh, green, tight, free of damage.
- Kernel quality: Plump, full, free of damage, disease, and insects.
- Moisture content: Typically 12-14% for grain corn and 75-80% for fresh corn.
- Foreign matter: Maximum allowed percentage of non-corn material.