Posted: 27/02/2014 at 17:59
I think you're worrying unnecessarily. Farmers who rely on heavy doses of nitrogen to increase intensive yields on light land may be worried about the leeching of soluble nutrients on flooded land.
I don't think that farmers who practise a more holistic form of agriculture and have improved the structure of their soil with the application of manures will be too worried - and I'm from a farming family.
As I said, some Fish Blood and Bone will provide a balance of nutrients not contained in the manures that you've used - I would use a good sprinkling before sowing/planting.
You can do a ph test - the kits are cheap enough at the garden centre, but it's not essential. It might be helpful if you want to plant things that definitely prefer an acid or alkali soil, but otherwise not essential in my opinion.
Oh, and I was blonde - but have now 'embraced the silver'