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.
How long does it take for seed to grow. Different seed mixtures establish at different speeds. As a general rule, hardwearing mixtures usually contain ryegrass and red fescue, two species that establish quite quickly-they can germinate in as little as 3-4 days, but 7-10 days is more average.llow up to 14 days for these to germinate. Now of course these estimates can vary greatly depending on the weather. If it's warm and damp, germination tends to be faster, cold and dry, and germination can take much longer.