Chemical Weathering. Chemical weathering takes place in almost all types of rocks. Smaller rocks are more susceptible, however, because they have a greater amount of surface area. Chemical reactions break down the bonds holding the rocks together, causing them to fall apart, forming smaller and smaller pieces.
Autos generally are ready to harvest sooner than photoperiod. Most autos are ready to harvest 65-90 days after being sprouted from seed. Some super autos have been bred to grow very big and can take up to 100 days before harvest.
Answers. Best Answer: It depends on which variety you plant. Early corn takes about 60 days from seed to harvest. Some heirloom corn takes close to 120 days. These are usually non-hybrid, old fashioned corn varieties. There are a lot that ripen between 60 and 120 days.You have to decide what is important to you.Lots of smaller ears or less ears but they are larger.arly corn takes about 60 days from seed to harvest. Some heirloom corn takes close to 120 days. These are usually non-hybrid, old fashioned corn varieties. There are a lot that ripen between 60 and 120 days. You have to decide what is important to you. Lots of smaller ears or less ears but they are larger.