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interests / rec.gardens / Re: How tight should soil be compacted

o Re: How tight should soil be compactedDavid E. Ross

Re: How tight should soil be compacted


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From: not...@not_there.invalid (David E. Ross)
Newsgroups: rec.gardens
Subject: Re: How tight should soil be compacted
Date: Sat, 16 Oct 2021 19:16:33 -0700
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 by: David E. Ross - Sun, 17 Oct 2021 02:16 UTC

On 10/16/2021 11:28 AM, John Robertson wrote:
> I'm not a gardener but I planted some seeds of food eaten from the kitchen
> (pears, apples, lemons, oranges, avocados, watermelon, pomegranate, etc).
> I put the soil in typical plastic plant containers but I don't know if I'm
> supposed to pack the results tightly or loosely or mediumly. If I pack them,
> with a mallet I can easily triple the amount of soil and even if I compact
> them with my fist, I could easily double the amount of soil, so compaction
> certainly makes a huge difference in soil volume.
> There must be an optimum amount of compaction though, for soil volume and
> for water sponging I would think that the experts already know about.
> What's the rule on compaction when you dig the soil out of the ground with a
> shovel and then when you fill a dozen of these quart to half gallon sized
> black plastic planting containers?

Actually, you do not want the soil severely compacted. For any
container, I start with a potting mix that is only slightly moist. I
press the mix around the seeds, cuttings, or small plants with the tips
of my fingers. Then I water the container, which further settles the
potting mix.

I do not use garden soil in a container. Instead, I mix my own potting
mix. See my <>.

David E. Ross
Climate: California Mediterranean, see
Gardening diary at <>

interests / rec.gardens / Re: How tight should soil be compacted


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