Doctoleaf

Doctoleaf is produced under the quality assurance of Doktor Tarsa. Every product made available for sale complies with the standards set by the European Union Fertilizer Regulation. Doktor Tarsa is certified with the TS EN ISO 9001:2000 Quality Management System and operates in full alignment with international quality standards.

Content

CONTENT	Amino Calmag Plus SC	Boron	Calcium	Colour	PhosphoZinc	Starter SC	Vegetative SC	Flower & Fruit	Cup	Bsp	Boman	Deep	Combine	WINNER
Total Nitrogen (N)	9%	-	-	3%	-	10.6%	16.5%	9.2%	-	-	-	-	-	6%
Nitrate Nitrogen (NO3-N)	9%	-	-	1%	-	2.6%	5.8%	4.4%	-	-	-	-	-	1.2%
Ammonium Nitrogen (NH4-N)	-	-	-	2%	-	2.4%	4.6%	1.4%	-	-	-	-	-	1.2%
Urea Nitrogen (NH2-N)	-	-	-	-	-	5.6%	6.1%	3.4%	-	-	-	-	-	3.6%
Calcium (Ca) (Water Soluble)	-	-	12.10%	3%	-	-	-	-	-	-	-	-	-	-
Calcium Oxide (CaO) (Water Soluble)	14%	-	16.9%	4.3%	-	-	-	-	-	-	-	-	-	-
Phosphorus Pentoxide (P2O5) (Water Sol.)	-	-	-	23.6%	28.2%	12.1%	7.6%	6.8%	-	-	-	-	-	3%
Potassium Oxide (K2O) (Water Soluble)	-	-	-	-	5%	13.1%	12%	18.2%	-	-	-	-	-	6%
Magnesium Oxide (MgO) (Water Soluble)	2.5%	-	-	-	-	-	-	-	-	-	-	-	-	-
Boron (B) (Water Soluble)	0.16%	10.9%	-	-	-	0.10%	0.10%	0.10%	-	17%	6%	4%	1.5%	0.06%
Copper (Cu) EDTA Chelated (Water Sol.)	-	-	-	-	-	0.021%	0.021%	0.021%	26%	-	-	2.5%	0.5%	0.01%
Iron (Fe) EDTA Chelated (Water Soluble)	-	-	-	-	-	0.05%	0.05%	0.05%	-	-	-	8%	5%	0.03%
Manganese (Mn) EDTA Chelated (Water Sol.)	-	-	-	-	-	0.02%	0.02%	0.02%	-	-	12%	-	3%	0.01%
Molybdenum (Mo) (Water Soluble)	0.004%	-	-	-	-	0.005%	0.005%	0.005%	-	-	-	-	0.05%	0.003%
Zinc (Zn) EDTA Chelated (Water Sol.)	-	-	-	-	9.2%	0.051%	0.051%	0.051%	-	-	-	10%	4%	0.03%
Total Free Amino Acids	1.1%	-	-	-	-	-	-	-	-	-	5.5%	-	-	-
Organic Matter	10%	-	-	-	-	-	-	-	-	-	-	-	-	-

Speedfol Series

Doctoleaf Series
High-Performance Suspension Fertilizers for Foliar and Soil Application

Doktor Tarsa’s Doctoleaf series offers a wide range of concentrated suspension formulations developed to address specific nutritional deficiencies, improve plant health, and optimize crop performance across various growth stages. All products in the Doctoleaf series are manufactured under Doktor Tarsa’s strict quality control standards and comply with European Union Fertilizer Regulations.

Doctoleaf Amino Calmag Plus SC

A premium suspension formulation containing free amino acids, organic matter, Nitrogen (N), Calcium (Ca), Magnesium (Mg), Boron (B), and Molybdenum (Mo).

Supports healthy cell structure, photosynthesis, and nutrient transport
Ideal for correcting calcium and magnesium deficiencies
Can be applied via foliar spray or soil (fertigation)
Recommended timing: early morning or late afternoon

Doctoleaf Boron

A highly effective product specifically developed to correct boron deficiency, which is crucial for cell wall formation, pollen tube development, and fruit set.

Suitable for both foliar and soil applications
Supports flower formation and enhances fruiting

Doctoleaf Calcium

An ideal solution to prevent and correct calcium deficiencies, which can lead to blossom end rot, fruit cracking, and poor cell wall strength.

Provides readily available calcium for immediate plant uptake
Suitable for both foliar and soil application

Doctoleaf Colour

A specialized formula containing Nitrogen (N), Phosphorus (P), and Calcium (Ca) to improve fruit coloration, ripening, and quality.

Promotes balanced nutrient availability for fruit development
Ideal for enhancing marketable appearance
Suitable for foliar and soil application
Best applied in early morning or late afternoon

Doctoleaf PhosphoZinc

A unique formulation combining Phosphorus (P), Potassium (K), and Zinc (Zn) for strong root development, early growth, and enzyme activation.

Promotes energy transfer (ATP), rooting, and early vigor
Zinc supports chlorophyll production and growth hormone synthesis
Suitable for foliar and soil application

Doctoleaf Starter SC

A high-concentration NPK suspension with 6 essential trace elements, designed to stimulate early growth stages and improve root formation.

High in phosphorus to support energy transfer and cell division
Contains low-biuret nitrogen for safer application
Ideal for pre-planting or early vegetative stages
Suitable for foliar or soil application
Encourages strong crop establishment and improved stress tolerance

Doctoleaf Vegetative SC

Rich in Nitrogen (N) and balanced with Phosphorus (P), Potassium (K), and 6 trace elements, this formulation boosts vegetative growth and leaf development.

Ideal during early and mid-growth stages when nitrogen demand is high
Supports shoot, stem, and leaf development
Contains low-biuret nitrogen for safe foliar use
Compatible with most fertigation systems

Doctoleaf Flower & Fruit SC

Specially developed to enhance flowering, fruit set, and fruit development. High potassium content helps regulate photosynthesis, sugar transport, and enzyme activation.

Improves yield quality and uniformity
Supports CO₂ assimilation and sugar storage
Enhances fruit firmness, taste, and shelf life

Doctoleaf Winner

A balanced NPK formulation with 6 micronutrients that promotes overall plant health and performance throughout the season.

Ideal for maintaining plant vigor and consistent growth
Encourages flowering and fruit development due to its phosphorus content
Recommended for use in vegetables, orchards, and field crops

Doctoleaf Cup

A high-concentration copper-based suspension formulated to correct copper deficiencies in various crops, which can affect enzyme activity, lignin synthesis, and disease resistance.