Docto – Combi

Docto-Combi is manufactured under the quality assurance of Doktor Tarsa. Every product released for sale complies with the standards set by the European Union Fertilizer Regulation. Doktor Tarsa holds the TS EN ISO 9001:2000 Quality Management System certificate and adheres to international quality standards.

Product Varieties

Content
CONTENT % w/w
Boron (B)Water Soluble 0.8%
Copper (Cu) EDTA ChelatedWater Soluble 0.5%
Iron (Fe) EDTA ChelatedWater Soluble 4.0%
Manganese (Mn) EDTA ChelatedWater Soluble 3.0%
Molybdenum (Mo)Water Soluble 0.1%
Zinc (Zn) EDTA ChelatedWater Soluble 4.0%

Docto-Combi 

Complete Micronutrient Support for Healthy Crops

Docto-Combi is a specially formulated product designed to prevent and correct micronutrient deficiencies in plants. It can be applied both via foliar spray and soil, and contains a balanced combination of chelated essential micronutrients (Fe, Zn, Mn, Cu, B, Mo), ensuring strong plant development, improved yield, and better crop quality.

The Role of Micronutrients in Plants

Micronutrients are vital for healthy plant growth and development. Though required in small quantities, they play a major role in enzymatic and hormonal functions, including chlorophyll production, respiration, protein synthesis, cell division, and energy transfer. Deficiency in any of these elements can result in significant yield and quality losses.

Micronutrient Availability in Soil

Various soil conditions such as high pH, salinity, intensive agriculture, and low organic matter often limit the availability of micronutrients to plants. In such cases, external application becomes essential. Docto-Combi, thanks to its chelated formulation, ensures the efficient and quick uptake of nutrients by plants, even in challenging soil conditions.

Crops Sensitive to Micronutrient Deficiencies

Fruit trees, vegetables, field crops, and ornamentals are particularly sensitive to micronutrient imbalances. Deficiencies are more common in high-yielding areas and can lead to serious agronomic and economic consequences.

Deficiency Symptoms and Impact

Micronutrient deficiencies typically manifest as chlorosis (leaf yellowing), necrosis (tissue death), malformed leaves, stunted growth, flower and fruit drop, and premature leaf fall. If left untreated, plant growth slows, productivity declines, and crop quality deteriorates. Docto-Combi effectively addresses these issues, restoring balance and supporting optimal plant performance.

Recommended Dosage

Crop Dosage Application Timing
Vegetables (Tomato, Cucumber, Eggplant, etc.) 50 – 100 g / 100 L water At the beginning of flowering and every 2–3 weeks thereafter
Citrus 50 – 100 g / 100 L water Before flowering, before June fruit drop, and during summer shoot growth
Apple, Pear, etc. 50 – 100 g / 100 L water When fruits reach the size of a walnut and during summer shoot growth
Peach, Apricot, Cherry, etc. 50 – 100 g / 100 L water After flowering and again two weeks later
Vineyard 100 – 200 g / 100 L water Just before cluster closure and once or twice every two weeks thereafter
Rice 300 g / 100 L water At the beginning of tillering, during stem elongation, and one month later
Corn 300 g / 100 L water When the plant reaches a height of 40–50 cm
Cotton 200 g / 100 L water Before squaring and approximately two weeks later
Sugar Beet 300 g / 100 L water At the 6-leaf stage and again one month later
Onion 250 g / 100 L water 30 days after planting and again two weeks later
Peanut, Soybean 250 g / 100 L water During flower bud stage and again two weeks later
Melon, Watermelon 200 g / 100 L water 1–2 months after emergence, followed by 1–2 applications at 1–2 week intervals
Ornamental Plants 50 – 100 g / 100 L water At the beginning of growth and then every two weeks
Hazelnut 50 – 100 g / 100 L water At leaf formation stage and again one month later
Wheat 300 g / 100 L water During the tillering stage

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