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This auction is for a 4kg bag of Certified Organic Sulphate of Potash (BioGro No. 5082).

Sulphate of Potash (or Potassium Sulphate) supplies two key plant nutrients – potassium and sulphur.

Sulphate of Potash encourages flowering and fruiting on plants and vegetables.

A fast-acting fertiliser, it is commonly used in intensive farming situations to correct potassium and sulphur deficiencies.

Sulphate of Potash has a low chloride content, making it ideal for use on chloride-sensitive crops.

Sulphate of Potash can be easily blended with base fertilisers.

Apply 50 -100 grams per square metre and water in.

I can also supply 20kg bags. Please contact me for pricing. The 20kg bags are not certified organic. Please click here to ask a question
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Shipping prices are per item
  • NZ town or rural address (courier)$6.50
  • Waiheke & Stewart Island (courier)$13.50
  • Seller allows pick-ups
  • Seller location: New Plymouth, Taranaki, NZ

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    Cash, NZ bank deposit

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