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Hey, sorry I still have to reply to you on your post.
It depends really, nitrogen is always good, so lots of green mulch, but when your veg are fruiting they like potash, which wood ash is full of.
The leaf mulch I used above, provides perfect mulch to protect the soil as well.
Hope you are well xx

I'm pleased to be back and see you're still active and surviving. I'm as good as can be old friend, life is not all bad.