Freebase(0.00 / 0 votes)Rate this definition: Chemical property. A chemical property is any of a material's properties that becomes evident during a chemical reaction; that is, any quality that can be established only by changing a substance's chemical identity.
Ground Temperature. The best time to plant your corn seeds is when the soil temperature reaches an average of 50 degrees Fahrenheit. You can determine the average ground temperature in your garden using a soil thermometer -- available at most garden stores.
At the V6 growth stage, corn would be approximately 12 inches tall. It is important to remember that although corn can germinate and grow slowly at about 50Â°F, the planting should start when the average soil temperature reaches 55Â°F at the top two inches.he optimal average temperatures for corn growth range between 68 and 73Â°F. However, the optimum temperature varies over the corn growing season and between daytime and nighttime. Corn can survive short exposure to low and high temperatures of 32 and 112Â°F, respectively.