20kg VolcaMin - Horticulture & Agriculture Grade 2-4mm
VolcaMin works as a fertiliser battery, charging when free nutrients are available, holding them from leaching and releasing them to plant demand as required.
Volcamin is not effected by temperature and reduces the leaching of nutrients under hot tropical conditions, holding them for use by the plant instead.
Volcamin is also an excellent capillary distributor of water due its highly porous properties, assisting infiltration, holding water higher in the pot and distributing water and nutrients more evenly through the mix which is important especially under drip irrigation. It is used in several leading wetting agents.
Use of Volcamin will soak up excess ammonium and other cations in mixes often released under hot conditions, preventing root burning. Volcamin is marginally alkaline and a source of available calcium so its use with fertilisers can help buffer pH levels thus reducing the need for lime applications.
Volcamin carries a negative ionic charge which naturally attracts positive charged cations like ammonium, potassium, magnesium and calcium. The open crystalline structure of Volcamin has many storage sites for these ions which hold naturally through a loose chemical bond. These fertiliser ions are available to plants. Volcamin has a very high cation exchange capacity and thus increases the mixes ability to hold and release nutrients. As cations are water soluble they escape from mixes by leaching. Volcamin is the perfect planting partner as it is a natural wetting agent and distributor of water as well as an electrically charged fertiliser magnet.
It helps water penetrate sandy non-wettable soils and will evenly distribute water around drippers and soak lines. It should be used in planting holes, mixed with the top 10-15cm of soils or a mulch.
As a planting amendment, it makes a permanent difference as it won’t break down or be eaten by microbes in the soil. Volcamin has ten times the nutrient holding capacity per litre than peat and helps prevent environmental leaching of nutrients into waterways.