Gerfos® K
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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.

Formulation: Liquid

Composition
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.

Interested crops and directions for use

frutticolturameloperopescociliegioactinidiasusinoalbicoccopiccoli fruttiviteolivoagrumiorticolturapomodoropeperonezucchinomelanzanacarciofopatatasedano e spinaciolattugaaglio e cipollafloricolturacolture protettetabaccocolture estensive ed industrialivivaio fruttavivaio ortofloricolo

Crops APPLICATION Doses Treatment
Citrus growing Foliar applicationfogliare 200 – 300 ml/hl At least two treatments to be carried out in late spring and in autumn respectively.
Fruit growing Foliar applicationfogliare 200 – 300 ml/hl Apply monthly starting from the spring time and, where required, in autumn. Higher doses are for pome fruits, lower doses are for drupaceous trees.
Vegetable growing Foliar applicationfogliare 50 – 200 ml/hl Repeated treatments each 20 – 30 days as needed.
Fruit growing, citrus growing, viticulture Radical applicationRadicale 6 – 18 L/ha We recommend to split the doses hereunder into two, three irrigation cycles, every week and by spreading this product at the end of the irrigation cycle.
Vegetable growing Radical applicationRadicale 6 L/ha tot. We recommend to split the doses hereunder into two, three irrigation cycles, every week and by spreading this product at the end of the irrigation cycle.
All crops Root plunging
plunged		 1.5 ml/l Plunging before the transplantation.

Packaging
BOTTLES
12 x 1 kg
JERRY CANS
4 x 6 kg
15 kg