soluSOP®52 ORGANIC

Potassium and sulfur – Completely water-soluble

Certified for Organic Farming

52.5% K₂O

= 43.6 % K

45% SO₃

= 18 % S

Product Data Sheets

Product information

SoluSOP 52 ORGANIC is an immediately effective fertigation fertilizer with potassium and sulfur.

Dissolves quickly and without residue in water and is immediately available to plants.
The highest possible concentration of potassium and sulfur.
Almost chloride-free and therefore particularly suitable for chloride-sensitive crops.
Helps to achieve a relatively neutral pH when mixing acidic components.
Especially suitable for fruit and vegetable crops.
Covers peak demand in all growth phases.
Improves plant quality and increases tolerance to drought and frost.
Potassium improves tolerance to drought stress.
Sulfur is essential for protein synthesis and increases nitrogen efficiency.
Can be used as a foliar fertilizer and in fertigation systems.
Miscible with most organic and conventional pesticides and other fertilizers.
Approved for use in organic farming according to Regulations (EU) No. 2018/848 and (EU) No. 2021/1165.

MINERAL FERTILIZER K₂O (SO₃), 52.5 (+45)

52.5%

K₂O, water-soluble potassium oxide (= 43.6% K)

45%

SO₃, water-soluble sulfur trioxide (= 18% S)

Recommended Use

The dosage of soluSOP 52 ORGANIC depends on:

Type of use
Crop
Growth phase and duration
Yield expectation
Nutrient requirements
Temperature
Substrate

Leaf application

Foliar application recommended in addition to soil application.
The recommended concentration is 0.5-5%.
Two to five applications from the early vegetative phase to the middle of the generative phase.

Fertigation

For all types of irrigation (including conventional systems and high and low pressure systems).
Single applications with 15-25 kg/ha.
Also applicable in constant low concentration of 0.01-0.1%.

General notes

For blendings, please follow the manufacturer's recommendations.
Do not mix with calcium-containing agents.
First test mixtures in small quantities for full solubility and carry out pre-test on individual plants.

Growth Stage	Days from planting	soluSOP^® 52 ORGANIC in kg/ha
At planting	1	5
Vegetative growth	2-16	10
Generative Phases
I	17-31	15
II	32-41	25
III	42-61	35
Harvest Phase
I	62-66	50
II	67-116	50
III	117-165	30
IV	165-190	20
Total soluSOP^® 52 ORGANIC		240

Suitability for Organic Farming

K+S's plant nutrients are extracted from natural underground deposits of crude salt. They were formed many millions of years ago when primeval seas evaporated. Today, the salt layers are covered by several hundred meters of rock. They are mined by K+S and processed above ground into our products.

Due to the natural raw materials and the minimal processing effort required for further processing, many K+S products are ideally suited for organic farming and are approved for organic farming in accordance with EU Regulation 2018/848 and EU Regulation 2021/1165.