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Fertilizer required for Sedum roof

igilvarry · 2012-03-15 12:17:22

Can anyone recommend a supplier of fertilizer for Sedum for my Green Roof. The system was installed by a UK company who recommended the fertilizer type as 16:16:16 NPK. It turns out they use a different system for classifying fertilizer over there to Ireland. Closest equivalent in Ireland is either 16:4:20 or 16:5:20 type…

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15-03-2012 1:17pm

#1

igilvarry

Registered Users Posts: 65 ✭✭

Join Date: November 2005

Posts: 40

Can anyone recommend a supplier of fertilizer for Sedum for my Green Roof.

The system was installed by a UK company who recommended the fertilizer type as 16:16:16 NPK. It turns out they use a different system for classifying fertilizer over there to Ireland.

Closest equivalent in Ireland is either 16:4:20 or 16:5:20 type but I am told by the manufacturers I would need to order 2 tons of that as a minimum order quantity.

Anyone know a supplier in Ireland who would supply smaller qty of either type?

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#2 17-03-2012 9:00pm
fatoftheland

Registered Users Posts: 78 ✭✭

Join Date: February 2011

Posts: 77

another compound that you could use is 18 6 12 this is easier to get by the bag in a farm store near you the p level in uk fertiliser is about 14 in comparison and the k level is about 16 in comparison it should cost 22/bag

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