Poly4
- Thread starter SilliamWhale
- Start date
holly smoke
Member
- Location
- between the sea and the moor
You will be waiting a while. Be at least 4 years before they get some out the ground to try it from Sirius. Might get something similar out of boulby now as they are the only ones mining it at present
- Location
- the brecks norfolk
Isn't this just the rival stuff to potashPlus that boulby are producing along with polysulphate.
- Location
- the brecks norfolk
I really like polysulphate and have been using it and getting on well with it for a few years now.
It's slow release so needs to go on early. I did question the fact that it's still visible on the surface months after spreading and I was told that what you see is like a honey comb casing and the nutrients melt out of it leaving that bit. Whether its tight or not I dont know but tissue tests always show high/ very high levels in plants after application so it must do some good.
It's slow release so needs to go on early. I did question the fact that it's still visible on the surface months after spreading and I was told that what you see is like a honey comb casing and the nutrients melt out of it leaving that bit. Whether its tight or not I dont know but tissue tests always show high/ very high levels in plants after application so it must do some good.
It is very slow release. Great for maintenance but not for fixing a deficiency. I'm not sure we'll ever see much out of Sirius, if anything.
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- Tags
- minerals polysulphate potash