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.
Radishes. Radish seeds are some of the fastest-germinating seeds, generally taking between six and eight days to germinate. Because of their small size, however, the seeds can be difficult for smaller hands to work with, and the shoots are not as dramatic as some of the larger options.electing appropriate seeds for speedy germination is important when time is of the essenceâfor example, for a science fair project. In order for a seed to germinate, it must absorb a large amount of water through its outer coat.