Other aid. Need-based financial aid may be adjusted if you subsequently receive additional aid (scholarships, grants or loans). Private scholarship awards may reduce Board of Governors equity awards, loan eligibility or other aid.
Ways to Reuse Potting Soil. The easiest way to reuse old potting mix? Simply remove old plants from their containers, fluff up the soil and replant. If you've reused the same soil for several years or it's developed a white surface crust, you may have to cut it with 50 percent new potting soil and/or apply fertilizer.
There are two main reasons reusing potting soil can put plants at risk. 1  First, used soil sometimes contains pathogens--viruses, fungi, bacteria, nematodes and other organisms that carry disease. 2  Used soil may also be deficient in the minerals that plants require.