Posted: 13/02/2012 at 11:59
If you are sure that the way your plants grew using the type of soil. then it will be helpful to reuse them. There was even the idea of crop rotation, right? So the same goes with plants and how they could possibly of great help for the plants to go healthier, right?
What you do is that you just plant in new seeds and care for them as usual. Hope this helps.