Brain disorders can also have an effect on the display of delta waves. Parkinson's disease, schizophrenia, and narcolepsy are all characterized by changes in delta wave activity. Some drugs and chemicals have been shown to impact the brain's delta waves.
Pruning advanced ornamental trees. Now's the time... Generally speaking an ornamental tree is one that is grown for its decorative looks and not for food. Winter is the perfect time to prune deciduous ornamental trees, as their structures are dormant. Inside the tree though, important processes are underway.
Ornamental flowering fruit trees (Prunus species) are closely related to the orchard fruit trees that are. grown primarily for their fruit. Although many of. the ornamental flowering trees bear edible fruit, they are grown primarily for their springtime floral. display and attractive form.