Start a new thread

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.  

marshmello

I just get a handful and sprinkle around the plants. If I'm honest.

 Never thought about measuring about someone else does.

Sign up or log in to post a reply