I'm trying to get my garden leveled as the builders put lot of clay
soil when building the extension few years ago.
Currently the soil is bit sticky, moist inside and hard on top which is
not that bad to work with.
I've moved the soil to lower part of my garden where i exactly want it
to be. The problem now is that its bit lumpy and doesn't level
I also want to put 3 inches of concrete once leveled.
Could anyone advice what will be the best solution to that. I was
thinking of getting the vibrating plate on hire, but not sure if it
The clayey soil you moved to your garden (big mistake) should either be
removed or amended... I would remove it to another area or just put it back
where the paving will commence... I wouldn't bother leveling, the pavers
will *grade* and compact that area... you never want a paved area level,
unless you like puddles and cracked paving.
so you want to put a patio over the clay? this might not be the best idea
water will drain to the lower part of the garden and if there is clay underneath
will not drain so your patio may be standing in water.
you must let clay DRY OUT completely before working it at all. it would be a
base to mix a lot of sand into that clay before leveling. around here in the US
are being asked to not use concrete but rather blocks or even gravel which drains
well so there isnt run off into our sewer systems. a draining type material
better at the bottom of your garden. look better too.
I have heavy clay soil too. Be careful working with it when it is
wet; that's how you make those adobe bricks.
Break it up when it is dry and add some sharp sand and improve the
soil with compost or topsoil. Mix well.
From what I recall, if the sand is too fine, clay particles will fall
in between the sand grains and turn cement-like. So it should be a
When I was at the hort show last week, one of the suppliers
recommended sawdust - nitrogen issues, I know, but that only takes a
couple of years to resolve itself.
Clay -----> 20 - 30%
Silt -----> 30 - 50%
Sand -----> 30 - 50%
5 - 10% compost
Plant rye or buckwheat in the fall or late spring for their extensive
root systems for a couple of years to put more organic material in your
Avoid chemical fertilizers. They kill soil and cost money.
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