This is true, but much of it depends also on the type of soil in use. If using a free draining soil such as I do, it proves different.
Peat or Cocnut coir based soils will hold and can build up salts, if not rinsed through w plain water occasionally.
Rick
"Many times a day I realize how much my own outer and inner life is built upon the labors of my fellow men, both living and dead, and how earnestly I must exert myself in order to give in return as much as I received"
