Korn-Kali® is a combined potash and magnesium fertiliser with 40% K2O in the form of potassium chloride and 6% MgO in the form of magnesium sulphate (Kieserite). Further important constituents are 4 % Sodium as sodium chloride (Na2O) and 12.5 % Sulphur as sulphate (SO₃).
EC FERTILISER
Potassium chloride with magnesium 40 (+6+4+12.5)
40 % K2O water-soluble potassium oxide
6 % MgO water-soluble magnesium oxide
4 % Na2O water-soluble sodium oxide (= 3 % Na)
12.5 % SO₃ water-soluble sulphur trioxide (= 5 % S)
Korn-Kali® contains all nutrients in fully water-soluble form. They can therefore be directly absorbed by the plant.
Korn-Kali® ensures the basic supply of the crops amongst others during the autumn application with a sulphur content of 5 %.
Korn-Kali® has a narrow particle size spectrum ensuring a high spreading quality and enabling a constant distribution at large spreading widths.
Korn-Kali® is effective regardless of the soil pH and is therefore suitable for all sites.
Korn-Kali® is a valuable partner even in bulk blending.
Fields of application for Korn-Kali®
Due to its optimal nutrient composition, Korn-Kali is the most used single-nutrient potash fertiliser in Germany and very common in many other countries of Europe and the world as well. An economic application is possible on all soil types and for almost all crops (plants sensitive to chloride require sulphate-based fertilisers).
Within crop rotation, Korn-Kali should be applied to crops that have high demands on a good potassium supply (for example sugar beets, rape, maize) and that have special requirements regarding specific macronutrients (for example sulphur requirement of rape, magnesium or sodium requirement of sugar beets).
Fertilisation with Korn-Kali is recommended for soils with optimal magnesium contents in order to maintain magnesium levels and to prevent deficiencies (maintenance fertilisation).
Fertilisation with Korn-Kali is especially important for the magnesium supply of the plants, if nitrogen fertilisation occurs in form of amide (urea) or ammonium (for example liquid manure).
Fertilisation recommendations
The amount of Korn-Kali that has to be applied depends on
• the potassium requirement of the crop or the crop rotation,
• the potassium or magnesium supply and dynamic of the soil (site conditions),
• the various requirements of different crops regarding the macronutrients like magnesium, sulphur and sodium,
• the nutrients provided by organic fertilisation.
Autumn fertilisation with Korn-Kali ®
Korn-Kali is applied to medium and heavy soils in autumn (stubble fertilisation) and is incorporated into the topsoil layer during tilling. That way, the nutrients are unrestrictedly available at the beginning of the vegetation period.
On light soils, Korn-Kali should be applied in early spring to prevent nutrient loss at these locations.
Korn-Kali is the ideal partner for fertilisation systems with single-nutrient or NP fertilisers and also serves as supplement for the application of compound fertilisers
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