WHY DO YOU THINK POTS SHOULD BE FILLED WITH SOIL KEEPING A ONE- INCH SPACE FROM THE TOP?
Answers
Answer:
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Explanation:
If pots are filled all the way to the rim, there is no headspace for water to sit until it can percolate into the substrate of the pot. A common mistake of new employees at greenhouses and nurseries is to fill the pot FULL, and then water runs off the surface of the substrate and out of the pot when someone tries to irrigate with a hose.
A pot generally should not be filled with soil, because the bulk density of mineral soil is too high and the aeration porosity is too low for plants in containers. Rather, a blend of two or more of peat moss, bark, perlite, vermiculite, sand, and sometimes soil, is typical. The use of perlite, in particular, provides good oxygen availability because it has large pore spaces