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in Fruit & veg
How much sulphate of potash (potassium sulphate) should be used as a pre-planting base dressing, and/or as a top dressing? As with all fertilisers, too much can damage.
I just get a handful and sprinkle around the plants. If I'm honest.
Never thought about measuring about someone else does.
Up to 2ozs per square yard.
