Pro-Tec K

Fertilizer Solution PK 30-20

Package: Bottle 1 kg, Tank 6 kg, Tank 25 kg
Application: Leaf


PRO-TEC K 30-20 is a Potassium Phosphite solution, therefore it is an excellent fertilizer rich in Potassium and above all Phosphorus.
Since Phosphorus in the phosphite form,

PRO-TEC K 30-20 also helps the plant to stimulate natural self-defense mechanisms towards the attacks of numerous fungi.

PRO-TEC K strengthens the plant by inducing the production of phytoalexins, and therefore contributing to natural prevention, for example of gummy on citrus fruits.


Phosphoric anhydride (P2O5) soluble in water … 30 % W/W

Potassium oxide (K2O) soluble in water … 20 % W/W

Doses and application

PRO-TEC K is for foliar applications, diluted in abundant water and wetting the whole plant homogenously. It can also be applied together with irrigation, localizing it in the root zone.

PRO-TEC K 30-20 can be mixed with most agrochemicals; however, it is advisable to perform compatibility tests beforehand.

Doses of use:

Horticulture 2-2.5 kg/hectare (200-250 g/hl of solution)
Fruit and Olive 3-3.5 kg/hectare (300-350 g/hl of solution)
Floriculture 200-300 g/hl of solution