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Sulphur fertilizers

Siarkowit® S99G


Grupa Azoty Siarkopol

Siarkowit S99G fertiliser (form-granule) is recommended for the cultivation of agricultural, fruit, vegetable and decorative plants. Recommended, in particular, for sulphophilic and acidophilic plants.

Properties and composition See more

PFC 1 (C)(a)(1): Simple solid non-organic macro-Ingredient fertiliser

Fertilizer formula: Total sulfur content (S) 99.9% (m/m)

Granulometry: Granules. 90% of the product is in the form of granules with dimensions of 0.5-6.3 mm.
Bulk density: 1.16-1.2 kg / dm3

Total sulfur trioxide content (SO) 249.8% (m/m)

Product ingredients:
CMC 1: Sulfur (CAS: 7704-34-9)

Purpose and useSee more

Used for winter plant seed ploughing, and in the event of spring plants-for winter ploughing, or for spring ploughing. Sow the fertiliser evenly on the entire field area, in a manner excluding the fertilisation of non-dedicated fields and cultivations. It is obligatory to follow the recommended doses.

Estimated doses and application conditions

Plant / plant group


Recommended dose (kg/ha)

Winter rapeseed

Under pre-sowing tillage



Under winter tillage


Sugar beet

Under winter tillage



Under winter or pre-sowing tillage



Under winter or pre-sowing tillage


Fabacea: lucerne, clover

Under winter or pre-sowing tillage


Cereals (rye, wheat, barley)

Under pre-sowing tillage (winter tillage for spring plants)


The amount of doses and dates of fertilizer application should be determined on the basis of the plants' sulphur demand, plant condition and soil condition.

Packing, transport and storageSee more

Siarkowit®S99G is packed to 25 kg paper bags, 1 tonne big-bags, or can be delivered in bulk.


The Siarkowit® S99G fertiliser in the form of granules is not subject to RID and ADR.

Depending on the weight, the Siarkowit®S99G fertiliser should be stored in properly labelled, closed unit packages intended for this product or in bulk in the storage area. Comply with the prohibition to smoke or to use open fire or oxidising materials.

Acceptable stackable layers during transport and storage:

  • 25 kg packages: 7 max.
  • 1000 kg packages: 1 max.

Storage for 25 kg bags:

Storage for 1000 kg big bags:

PrecautionsSee more

Signal word: Note
Risk phrases: H315 Causes skin irritation.
Precautionary statements – prevention.
P280 Use protective gloves / protective clothing / eye protection / face protection
Precautionary statements – reaction.
P302 + P352 IF ON SKIN: Wash with soap and water
P332 + P313 If skin irritation occurs: Get medical advice/attention.
If used by the consumers additionally;
P101 If medical advice is needed, have product container or label at hand
P102 Keep out of reach of children.

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