Volcanic Picon
€3,71
Three sizes. Three functions.
Volcanic scoria.
USES OF VOLCANIC SCORIA.
⚗️Its physical, chemical, and hydrophysical properties allow this mineral component to be used in different ways depending on its granulometry (average particle size).
🔹It has a total porosity of 71% and, thanks to its internal pores, an aeration capacity of 48.5%, which is superior to perlite. It does not retain nutrients (very low Cation Exchange Capacity) and has a pH of 7.5.
1️⃣Fine scoria. With homogeneous grain sizes of 2-3 mm.
✔️It is used to make substrate mixtures for cultivation. It should not be mixed with larger particles of other minerals. We know that mixtures with homogeneous sizes work better for water drainage in the substrate.
✔️It can be used as a top dressing for mini or slow-growing xerophytic plants: Lithops, Haworthias, etc.
2️⃣Medium scoria. With a granulometry of 3-5 mm. Ideal as a top dressing for medium-sized plants. Mainly cultivated in pots.
3️⃣Coarse scoria. With sizes of 5-8 mm. Perfect for large plants and pots and for its application as a top dressing in garden areas.
ADVANTAGES of SCORIA AS A TOP DRESSING
✔️During the irrigation season, we will need to water less as less water is lost through surface evaporation.
✔️Thermal buffering of the substrate.
✔️Prevents weed proliferation.
✔️Keeps plant necks aerated: dry necks = healthy necks.
✔️Slow release of iron into the soil.
Oh, and the rough surface, without sharp edges or corners, is soft and gentle on the tender tissues of our cacti and succulents.
Which one do you use and how do you use it?
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