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.
Those equipped can also use the no-till drilling method for their planting. Drilled corn is normally planted at a rate of 5 to 10 lbs./acre. Broadcast rate will be higher, in the range of 10 to 15 lbs./acre. Seeds do best when planted about an inch deep and cultipacked after planting. Corn requires good soil fertility and is a heavy nitrogen user.