Water Soluble Potassium Oxide (K 2 O)




    Foliar Application

    Application Dose and Term ( 100 Lt water )

    Tomato, Eggplant, Pepper

    200-400 cc :  After fruit set phase until harvest time every 20 days period

    3-4 application

    Cucumber, Melon, Watermelon, Squash

    300-400 cc : after fruit set every 20 days can be applied

    Potatoes, Onions, Spinach, Lettuce, Carrots, Parsley, Cabbage, Cauliflower, Sugar Beet

    200-250 cc : After the plants have 3-4 leaves in every 20 days can be applied

    Beans, Peas

    200-250 cc : After fruit set phase 2 application

    Citrus, Orange, Lemon, Mandarin, Grapefruit

    300-500 cc : After fruit set phase 2 application

    Apple, pear, quince, apricot, olive, peach, cherry, almond, plum

    300-500 cc : After fruit sett in 20-30 days period 2-3 application


    400-500 cc :After flowering in 20-30 days period 3 applications


    200-400 cc : After Fruit set 2 application


    400-600 cc : In early spring every 20-30 days period

    Wheat, Barley, Rice

    200-250 cc :  Tillering term 1 application


    200-250 cc : When plants reach 20-30 cm heaight and has 8-10 leaves application can start until harvest time


    300-400 cc : 2 application after boll development


    200-300 cc : When plants have 3-5 leaves the application can be made in 20-25 days period

    Ornamental Plants

    100-250 cc : During vegitation period every 15-20 days

    Green areas (grass)

    100-250 cc : From spring every 20-30 days period

    Drip Irrigation Application: Calibro - K is used at a dose of 2-3Lt/da during the development periods mentioned above.


    • Producer company is not responsible for damages due to improper use.In cases when the product will be mixed with other products or overdosage application rather than usual; producer company does not take any responsibility.
    • In foliar application; fertilization should be done early in the morning or late in the evenings where the sun effect is less.
    • After using wash your hands.
    • Avaid eyecontact; if contacted rinse with plenty of water.
    • Keep away from pets and children.
    • Keep covered in dry and place without sun in original package between 0 °C and +40 °C degrees.
    • Do not swallow or breathe. If swallowed apply to doctor.