Yes, Global Warming really is happening, and the evidence is overwhelming. September 23 at 5:26am Â·. Rignotâs team found that Greenland's glaciers flowing into the ocean are grounded deeper below sea level than previously measured.
If you want your marijuana plants to start pre-flowering just change the light cycle to 12 hours on and 12 hours of complete darkness. Why does this work, well letâs think about how plants are in their natural environment.
Because of photoperiodism, you can easily induce flowering in cannabis plants simply by changing your grow room light cyclesâreducing the light from 18 hours a day or more, to only 12 hours each day. Again, what is really important to the plants is changing from six hours of darkness or less to 12 hours of darkness.