I would definitely lay down a kill mulch first. I use layers of old phone
book pages. You could also use cardboard or newspaper. Wet it well--both
the ground before laying it down, and the mulch afterward; that'll get it
decomposing faster. You can then fill the bed with soil, but be sure to put
organic stuff in it as well...dead leaves, grass clippings, straw, shredded
paper, kitchen scraps, finished compost... A little cow poo above the mulch
will get the earthworms interested.
You probably don't need two whole feet for the bed. If you want to grow
large root vegetables like carrots then one foot of good, sandy soil is
plenty. Anything else could probably take six inches. My wooden beds are
six inches tall, and not fully filled, and I do fine. The roots will
eventually go down through the decaying mulch, so the bed itself doesn't
have to be too deep.
Not for the plants-- but we did a 2' high raised bed for my dad
several years ago when he got a new hip & couldn't bend very well.
He is a lot more flexible now, but that 4x8 bed still produces most of
his daily veggies. The 50x100 plot gets filled each year, too.
It was placed on a piece of lawn. We put nothing down- filled the
whole thing from his compost pile. His garden is on clay- so he's
happy to have someplace to garden early in the spring when the old
plot is a mud-hole.
I haven't had much luck with mulching and growing carrots. Insect hide
in the mulch and then come out at night to eat my plants. My best luck
with radishes and carrots come from cleared ground. Mulching works much
better (for me) with seedling (starter plants)
³When you give food to the poor, they call you a saint. When you ask why the
they should not come through all depends how you start the process.
see our presentations might be an idea or 2 there?
Matthew 25:13 KJV
"Watch therefore, for ye know neither
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