Liquid mineral compound fertiliser PK 30-20.
GERFOS – K is a potassium phosphite based product, characterised by a certain Phosphorus concentration in form of phosphite ion, so being able to carry out and encourage, inside the plant, all functions connected to the direct and indirect action of phosphite ion.
GERFOS – K can be applied during the whole vegetative cycle of crops; but, in particular, we recommend to make use of it in spring, autumn and any time when particular weather (such as after heavy rains, high humidity, etc.) or agronomic conditions (such as an important nutritional deficiency, etc.) may require its application.
Treatment may be carried out both by foliar and radical application or by plunging the plant root apparatus of arboreal and herbaceous plants.
Phosphoric Anhydride (P2O5) soluble in water 30 %
Potassium oxide (K2O) soluble in water 20 %
Warning: This product cannot be mixed with alkaline or mineral oils products as well. Copper products must b used at half dosage when blended with Gerfos K.
12 x 1 kg
4 x 6 kg