Calcium and magnesium are very important secondary nutrients and part of the chlorophyll molecule which is necessary for sugar formation. Calcium helps improve nitrogen uptake, plant cell integrity, turgidity and stress tolerance. It benefits soil health by buffering pH, reducing salt build up and encouraging root development. Magnesium is very important for colour, new leaf development and aids sugar (energy) production. Cal-Mag works as a very effective autumn/winter ‘hardener’ by strengthening cell walls and
reducing the ability of pathogens to penetrate the leaf.
- Sulphur-free hardener for use all year round
- Magnesium improves colour without any growth flush
- Improves cell turgidity and stress tolerance