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For agro-enterprises and farming companies

Microfertilizer ORAKUL<sup>®</sup> colofermine of calcium
Composition g/L
Calcium CaO 206
Nitrogen N 103
Colofermine 953
Packaging: 100 mL
1 L
5 L

Microfertilizer ORAKUL® colofermine of calcium

ORAKUL® colofermine of calcium is intended for feeding vegetables, cucurbit crops and perennial plantings. It is used for elimination of plant physiological disorders due to calcium deficiency.

When calcium deficiency takes place, under fruit skin its flesh becomes brown in some places. Then in these places on the skin appear spots (subcortical spotting), which cork over time (cork spot). The fruits lose their marketable qualities.

ORAKUL® colofermine of calcium contains water softener. Therefore, the use of any dressers in hard water (high content of Ca2+ and Mg2+ salts) together with ORAKUL® colofermine of calcium does not reduce their effectiveness. Hardness salts are securely bound by the formulation component without causing turbidity. Any danger of the calcium sulphate (gypsum) formation, which can lead to breakdown of spraying machinery, is eliminated. Applications shall be conducted by the solution, which was prepared just before application.
ORAKUL® colofermine of calcium has a significant physiological effect on plants, namely:
  • regulates the construction of the cell membranes;
  • provides resistance to pests;
  • increases the viscosity and permeability of protoplasm;
  • stimulates processes of nitrogen fixation and transition of carbohydrates
  • improves fruit marketable qualities.
It is recommended for use in conjunction with VIMPEL® plant growth stimulator .
Recommended technologies


Crops Application stages Application rate, L/ha
Vegetables and cucurbits 2 - 3 applications during fruit growth and ripening 1.0 - 4.0
Grapes after flowering 
4 - 5 applications once in 10 – 14 days
2.0 - 5.0
Orchards and berries after flowering 
4 - 5 applications once in 10 – 14 days
2.0 - 5.0
1. INFORMATION FOR CONSUMERS: follow the instructions when using the formulation. The efficacy of the formulation and its ease of use depend on the application, storage and transportation conditions specified by the manufacturer.

2. COMPATIBILITY WITH OTHER FORMULATIONS: the micronutrient fertilizer is applied during the growing season either prophylactically or according to the diagnostics results based on the application regulations. It performs well in tank mixes with plant protection products (unless otherwise specified by the manufacturer of the plant protection products), urea (in the recommended concentrations when using foliar fertilization of agricultural crops according to the crop growth stages), UAN, plant growth regulators, microfertilizers and biological preparations.


Warning! Prior to starting preparation of a tank mix, always check the formulations for compatibility!

For this purpose take a container, pour in it some water (which is to be used for the main application), add the tank mix components in proportions, based on the field rates of consumption. After closing the container, mix the contents by shaking it 10-15 times. Evaluate the tank mixture visually twice: immediately after mixing and after the mixture has settled (in about 30 minutes). Incompatibility of formulations is indicated by their separation into layers, residuum occurrence, flocculation of the mixture, formation of sludge that does not disperse.

Attention! It is possible to use the formulation in hard water. The active substances contained in it do not form compounds with hardness salts (СаSO4٠2H2О), hence the solution does not grow turbid.

If there are no compatibility problems, prepare the working solution just before spraying (direct application). Shake the product thoroughly in the original package and pour it directly into the sprayer tank, which is to be previously filled with water to 2/3 of its volume. After this with the mixing mode turned on add the components of the tank mixture in sequence stated in the recommendations and finish the process with filling the tank with water. Stirring of the mixture should be continued throughout the period of its preparation, as well as during application.

Application rates of the spraying solution: vegetables — 300-400 L/ha, fruit crops and grapes — 800-1000 L/ha.

4. MIXING ORDER OF SPRAYING SOLUTION COMPONENTS: when preparing the tank mixture, stick to the following sequence of components.

Tank mix
Tank mix with UAN
  • Water
  • Plant growth regulators
  • UAN according to the foliar application recommendations 3-12%+2,5% MgSO4٠7H2O (5% Decahydrate)
  • Plant protection products
  • ORAKUL® colofermine of calcium
  • Other micronutrient fertilizers
  • Water
Tank mix with urea
  • Water
  • Plant growth regulators
  • Urea according to the foliar application recommendations using other liquor (either into the sprayer tank or on the filter)
  • Plant protection products
  • ORAKUL® colofermine of calcium
  • Other micronutrient fertilizers
  • Water
Attention! In preparing a tank mix, care should be taken to ensure that the mixing of the components (such as growth regulators, PPPs, microfertilizers, etc.) is conducted solely in water!

5. APPLICATION REQUIREMENTS: spraying should be done either early in the morning or in the evening, when the humidity level is high to avoid chemical leaf burn. The optimum air temperature is +10...+25 °С (50 — 77 ºF), wind speed up to 5 — 7 m/s depending on the sprayer type. It is not recommended carrying out spraying operations during foggy weather or in the presence of dew, which can lead to surface overflow of the solution and hence the reduction of the treatment efficiency. The spraying should be stopped 1.5 — 2 hours before the rain.

Attention! Use а freshly mixed solution. Do not store the prepared solution more than 24 hours.

6. STORAGE AND TRANSPORTATION: storage and transportation must be carried out in accordance with ГОСТ 14189 (National State Standard).

The formulation should be stored in a warehouse or storage building, designed specifically for this purpose. Storage area should be free of direct sunlight, moisture, pollution and mechanical damage to the container. Store at temperature above 0 ºС below +30 ºС (50 — 86 ºF), in the original closed package in an upright position, with the cap facing up in a cardboard box. Do not stack cardboard boxes more than 3 high.

Formulation viscosity does not decrease at -35 ºС (-31 ºF).

Any form of transport is possible while in covered vehicles. The use of open vehicles, which provide protection against precipitation, is allowed as well.

According to the conformity №255313/1 of the Ukrainian Cargo Bureau, State Research and Development Institute of the Merchant Marine of Ukraine of the Ministry of Infrastructure of Ukraine is not classified as dangerous cargo and is shipped as safe cargo under general conditions.

7. WHO CLASSIFICATION, TOXICITY: 4th toxicity class. The formulation is nontoxic, does not cause allergies, is environmentally friendly and absolutely harmless to pollinating insects.

8. PRECAUTIONS: keep away from children and animals. When carrying out spraying operations, use the appropriate and adjusted equipment, follow generally accepted safety standards.

9. FIRST AID INSTRUCTIONS: if the skin or eyes are contaminated with the preparation, flush them with water. If necessary, call a doctor.

10. CONTAINER AND LEFTOVER FORMULATION DISPOSAL: a container and leftover formulation do not require specific methods of disposal and neutralization.

11. STORAGE PERIOD: 5 years.

12. TECHNICAL REGULATION: ТУ У 20.1-24051976-003:2016.



15. HYDROGEN-ION INDICATOR (pH), units: 10% solution, 7.0 ± 1.0.

16. DENSITY, g/cm3: 1.467 ± 0.02.

17. COLOR (visually): grayish.

18. ODOUR (organolept.): odourless.