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.
Soil temperature is one of the best predictors of how long it will take corn to break the ground's surface. Soil temperature is usually 5 to 10 degrees cooler than air temperature, and soil temperature increases slower than air temperature in spring.oil temperature is one of the best predictors of how long it will take corn to break the ground's surface. Soil temperature is usually 5 to 10 degrees cooler than air temperature, and soil temperature increases slower than air temperature in spring.