Sun Gro’er Blog

Harmonizing Peat and Lime

Read More in The Sun Gro’er Issue 3/3 (2005)
Growing media pH is a perennial subject of interest in our industry. One reason is that unlike mineral soils where plants grow naturally, peat mixes are not well buffered against pH changes. Another reason is that, again, unlike natural conditions where plants can grow more roots in favorable pH zones, the limited volume of mix in containers exacerbates pH effects. Drastic pH changes upset plant quality (figure 1).
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