If the fertilizer is placed around the root of a tomato plant, the leaves of the plant will shrivel and turn brown. This phenomenon in terms of tonicity is that;
inside the root cell is hypotonic since it contain more water than surrounding .
In the other hand the cell is hypertonic since it contain more solute from fertilizer.
Through osmosis water move out of the cell therefore the it turns to brown.
<span>Sage, rosemary, thyme and oregano shrubs produce irritating or toxic substances in their roots so that other plants can't grow close to them.</span>
