flowerbug
Garden Master
It is a mix of things; we've had soil from the bush trucked in, amended with manure, added lots of straw over the years, some peat here and there and used organic methods intended to keep the tilth and friability up . I do think that all the legumes I've grown over the years have added a great deal. There is a lot of gray clay in the soil in the area I'm in.
clay is a great fertility and soil moisture holding boost too, but too much of it certainly does present challenges at times. right now i'm trying to dig some quack grass out of a large garden and breaking up dry clods of this soil is like breaking rocks.
creating prime garden soil over the years here has taught me a lot about what is possible with organic gardening methods. i'm happy with the results. wish i could do more cover cropping, that's slowing the rate of improvement down by quite a bit.
i'm also envious of your garden soil for sure!