«ROSTOK» Cobalt 1L/10L/1000L

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Fertilizer form:
Physical form:
foliar feeding
Application rate:
0,5 - 2 l/ha; 60-100 ml/1000 l water
Fertilizer composition:
Chemical composition, g/l:
Additional substances:
Storage conditions:
At temperature range of 5-40⁰С
Expiration date:
2 years


Development phase

Application rate l/ha



6-8 leaves


Budding , when flowering starts

"ROSTOK" Cobalt is a liquid, concentrated fertilizer with a high cobalt content.

Fertilizer is used for foliar feeding of all crops, especially important for legumes.

The fertilizer additionally contains an adhesive in its composition.


- increases the productivity of crops by 10-15%;

- improves the indicators of the quality of the crop (protein, B vitamins, in particular vitamin B12);

- improves the processes of nitrogen fixation;

- stimulates biochemical processes;

- increases the immunity of plants.

Also, in addition to improve the growth and development of plants, depending on the culture, it is recommended to add "ROSTOK" Legumes, "ROSTOK" Macro, etc.

Внекорневая подкормка:

Порядок приготовления рабочего раствора:

1. Резервуар опрыскивателя наполнить на 2/3 объема водой, добавить карбамид (при необходимости), включить мешалку;

2. Добавить по очереди макро- затем микроудобрения «УАРОСТОК»® и препараты защиты растений (если они предусмотрены и рекомендованы, после их предварительного смешивания и опробования);

3. Дополнить резервуар водой до полного объема и приступить к опрыскиванию.


Of using complex fertilizer on complex-forming acid basis (EDTA)

    «ROSTOK»  Cobalt


Form: liquid.

Purpose: Foliar feeding.


The content of Cobalt (Co), g/l

«ROSTOK» Cobalt




Composition: based on EDTA chelates, sticky substance.

Approach of using and consumption rate:                                           

Foliarfeeding: in this way elements are absorbed from fertilizers by plants at 95-100%. Consumption rate of working solution is 200-300 l/ha.


Phase of development 

Aplication rate, l/ha 


6-8 leaves

0,1 – 0,2

Budding – Beginning of flowering

0,1 – 0,2




  The value of fertilizers "ROSTOK" Cobalt: activates many enzymes, including nitrate, are very important for nitrogen nutrition legumes, it is part of vitamin B12, which many in nodules on the roots of leguminous plants, because they have an increased need for this trace element. Cobalt  positive effect on reproduction rhizobia, particularly on neutral soil. Cobalt is actively involved in oxidation and reduction reactions, positive effect on respiration and energy metabolism; positively affect the synthesis of chlorophyll in the leaves of plants, reduces its schedule in the dark, increases respiration rate, which significantly increases yield crops and improve their quality, increases levels of proteins, fats, sugars and vitamins.                                         

       The use of microfertilizers "ROSTOK" Cobalt helps:

  • Increasing productivity culture to 25%;
  • Improving crop quality indicators (protein, B vitamins, particularly vitamin B12);
  • Increasing nitrogen fixation processes;
  • Stimulate biochemical processes;
  • Increasing immunity in plants.

General recommendations: it is expedient to prepare tank mixtures of urea and crop protection liquids (if necessary). Foliar feeding of plants is better to perform before 12 th hour of the day or after 17 o'clock in the evening during the phases of growth and development of crops that are most sensitive to the provision of micronutrients. Not recommended for handling during the day when it is scorching sun or windy weather. Evening or morning dew on the efficiency of feed is not affected! The water temperature for preparation of the working solution should be close to the ambient temperature (not recommended to perform the processing with cold water,dialed directly from the well, as is the likelihood of stress in plants, which contributes to the development of disease, cessation of plant growth and their death).

Security measures: The product is non-toxic to humans and bees, not allergenic, environmentally safe, by the classification refers to the 4 groups which representsnon-hazardous substances. While working with the drug,youshould observe accepted security measures.

Equipment: 1 liter, 10 liters, 1000 liters.

Storage: Keep out of reach of children at temperature from + 5 ° C to + 40.

Shelf  life - 2 years.

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