Soil for Plants

Void · 2024-02-29 20:49:29

I thought for sure we already had this topic. My search did not turn it up.

If there is one the let's move this material to it.

I posted this today: https://newmars.com/forums/viewtopic.ph … 60#p219860
Quote:

This is a good one: https://phys.org/news/2024-02-field-tri … e_vignette
Quote:
Field trials reveal crushed rock boosts carbon removal and improves crop yields
by University of Sheffield
I would add Carbon from Pyrolysis to this, and it might create good soil.
For Mars, it might be that materials from the sand dunes might work OK. That and perhaps Pyrolysis Carbon.

Done

(th) posted this: https://newmars.com/forums/viewtopic.ph … 61#p219861
Quote:

tahanson43206
Moderator
Registered: 2018-04-27
Posts: 16,457
Email
For Void re #48
So far, SpaceNut has not endorsed the idea of awarding an entire index level to an individual member.
That would be a gigantic leap from current policy, so I can understand the hesitation.
However, your most recent post about a careful, painstaking scientific study of how the introduction of powdered rock to a test farm reminded me that Agriculture might deserve an Index level forum of it's own.
As a reminder, the "soil" of Mars may contain a significant percentage of chlorine. A plot of Mars soil you are tending might respond if you add carbon, as you suggested you might do in your post. I am hoping you will have time to consider these side issues as you explore many topics.
(th)

Well, I am no expert but have read a few things.

I believe that on Earth Sea Sand is suitable for concrete, but desert sand is not. That is because the wind-blown sand is round. The basalt sand of Mars may be round as well for similar reasons. Not sure of it at this time. But that could be good for soils as the roots might not be cut by sharp regolith.

My guess is that to treat the sand, you might first do a magnetic separation if you want to get a greater iron content to use to make iron products. But the remainder could go into soil.

But first you might wash it with distilled water, perhaps 3 times.

Then adding Carbon to it, and some microbes and an incubation process may rid it of any traces of perchlorates. in this case though perhaps the Carbon needs to be in a form the microbes can consume. Carbon from Pyrolysis may be hard for the microbes to consume.

Actually, a sugar may be in a form of Carbon compound the microbes can use.

Here is a process that seems to use washing and glucose and microbes. (Needs some other nutrients that might come out of the sand dune grains, perhaps): https://www.sciencedirect.com/science/a … 3520301399

The addition of biochar, may help as well as mentioned in this article: https://agrilifetoday.tamu.edu/2023/12/ … t-biochar/

In addition, I would expect that the addition of some materials from organic waste, processed would. help.

That is about what I have.

As I have said, if a topic does already exist, then let's move this post there and delete this topic.

Done

Last edited by Void (2024-02-29 21:09:29)

tahanson43206 · 2024-02-29 21:30:54

This post is reserved for an index to posts NewMars members may contribute over time.

The topic title is simple and to the point. If there is another similar topic title in Life Support Systems, the two can co-exist.

The chlorine in soil on Mars must be removed.

If a NewMars member is able to contribute a post to show how to do that, it should be of interest to future readers.

(th)

tahanson43206 · 2024-02-29 21:33:16

I asked Google for help... It found more citations than I was expecting ....

Several technologies can remove perchlorate, via treatments ex situ and in situ. Ex situ treatments include ion exchange using perchlorate-selective or nitrite-specific resins, bioremediation using packed-bed or fluidized-bed bioreactors, and membrane technologies via electrodialysis and reverse osmosis.Feb 20, 2019
Removing perchlorate from Mars surface soil
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Jun 4, 2021 — Ateam led by UC Riverside engineers has developed a catalyst to remove a dangerous chemical from water on Earth that could also make Martian ...
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Jan 12, 2018 — Farmers on Mars will need to remove any perchlorate from the Martian soil before using it. One way is to rinse the soil, since perchlorate ...
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Reddit · r/space
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Perchlorate salts are literally rocket fuel. Wash it out of the soil, we get usable soil and rocket fuel.
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Sep 30, 2022 — Perchlorates are readily soluble in water and can be removed from surfaces by rinsing with water. Removing perchlorate from a Martian ...
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https://new.nsf.gov › News
Jun 23, 2021 — Current methods of removing perchlorate from water require harsh conditions or a multistep enzymatic process to lower the oxidation state of the ...
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Quora
https://www.quora.com › What-are-perchlorates-and-is-...
Apr 28, 2022 — Treat the soil: Perchlorates can be removed from the soil by simple bacterial reduction, so if martian soil is brought in say for a green house ...
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A new water treatment technology could also help Mars ...
ScienceDaily
https://www.sciencedaily.com › releases › 2021/06
Jun 4, 2021 — A team created a catalyst from molybdenum fertilizer that reduces more than 99.9 percent of perchlorate in water and could be used to clean soil ...
perchlorate on mars – overview and implications.
NASA (.gov)
https://ntrs.nasa.gov › api › citations › downloads
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by PD Archer · 2019 · Cited by 4 — The possibility for perchlorate-rich liquid brines has been cited by many studies as being important to life on Mars since liquid water is a prerequisite for ...
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https://www.hou.usra.edu › lpsc2022 › pdf
PDF
Perchlorate could therefore represent an ISRU target for rocket propellent, and the removal of it from Martian soils could act as a long-term hazard ...
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Mary Ann Liebert, Inc.
https://www.liebertpub.com › doi › pdf › space.2020.0055
by G Misra · 2021 · Cited by 4 — No prior studies have attempted to remediate perchlorate from Martian regolith simulants. Thus, we draw from previous work on soil, sediment, and water ...
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VICE
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Jun 14, 2021 — Perchlorate in Martian dust could also be hazardous to explorers. Current methods of removing perchlorate from water require either harsh ...
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Jun 6, 2021 — ... remove common pollutants called perchlorates, helping reduce water and soil pollution not just on Earth but potentially on Mars one day.
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Feb 17, 2019 — For the soil to be made arable the perchlorates would need to be removed. – Fred. Feb 17, 2019 at 16:44. 1.
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The origins of perchlorate in the Martian soil - AGU Journals
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by BL Carrier · 2015 · Cited by 139 — Perchlorate (ClO4−) was first detected in Martian soil by the Wet Chemistry Laboratory (WCL) on board the Phoenix Mars lander at ~ 0.6 wt % [ ...
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Oct 31, 2022 — But that faux material, which is similar to soil, lacks the toxic perchlorates that makes plant growth in real Red Planet regolith virtually ...
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Apr 13, 2023 — ... perchlorate removal and microbial remediation processes ... Perchlorates are only one piece of the puzzle to create fertile soil on Mars.
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There are many logistical hurdles to clear, including how to extract the perchlorates from the Martian soil. ... perchlorate salts reported to be present on Mars.
Perchlorate on Mars: a chemical hazard and a resource for ...
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by AF Davila · 2013 · Cited by 147 — Perchlorate (ClO4−) is widespread in Martian soils at concentrations between 0.5 and 1%. At such concentrations, perchlorate could be an ...

(th)

Mars_B4_Moon · 2024-03-01 06:40:44

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#1 2024-02-29 20:49:29

Soil for Plants

#2 2024-02-29 21:30:54

Re: Soil for Plants

#3 2024-02-29 21:33:16

Re: Soil for Plants

#4 2024-03-01 06:40:44

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