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.
Planting Sweet Corn. When planting sweet corn, you want to plant the seeds a half an inch deep in cool, moist soil, and at least one to one and a half inches deep in warm, dry soil. Corn plants need to be planted 12 inches apart and there should be at least 30 to 36 inches between rows.f you plant super sweet corn, you want to be sure the soil is at least 65 degrees F., as they prefer a warmer climate. The best way how to grow sweet corn is to plant an early variety near the beginning of the season, and then wait a couple weeks to plant another early variety and then plant a later variety.