Potash, Bone meal and Blood fertilizer.

You're asking for quite a lot of info - so it's easier to point you to the guides on NPK, fertilisers and so forth

http://www.allotment-garden.org/fertilizer/index.php

In the veg growing guides - http://www.allotment-garden.org/vegetable/index.php there's some fertiliser programs listed as well.

Fish, blood and bone is an organic fertiliser and is around 5:5:5 I think - so a useful base. For most normal growing a base dressing of a handful of FBB per square yard raked in before planting is fine and follow up for crops that really need nitrogen like brassicas or sweetcorn with chicken manure pellets at a similar handful per square yard.

Of course I could spec grams per square metre but to be honest, it's just not that critical.

As a rule, soil in good heart with plenty of organic matter just needs a top up with FBB and leafy crops will benefit from extra nitrogen. Avoid making it confusing.

Tomatoes will do best with something like tomorite or make your own feed from comfrey.