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This topic is offered for NewMars members to provide feedback/guidance regarding the possible addition of a forum devoted to Agriculture.
Agriculture might be considered an "Industry", so it may already be accounted for, but (on the other hand) it may be so inclusive and essential to survival of a community on Mars, that it may deserve it's own forum.
This suggestion was inspired by a post of Void, who reported scientific research on addition of powdered rock to soil on Earth.
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This post is reserved for an Index to posts that may be contributed by NewMars members over time.
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This post is intended to provide a reminder that chlorine is present in the "soil" of Mars to an extent not found on Earth.
Per Google:
Martian soil
Wikipedia
https://en.wikipedia.org › wiki › Martian_soil
Martian soil is toxic, due to relatively high concentrations of perchlorate compounds containing chlorine. Elemental chlorine was first discovered during ...
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How much chlorine is in Mars soil?
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FeedbackEvidence for Deposition of Chloride on Mars From Small ...
AGU Publications
https://agupubs.onlinelibrary.wiley.com › doi › full
by EK Leask · 2022 · Cited by 25 — The small amounts of water required are most likely from occasional melting of ice. Chloride could come from the top of the soil; clay-rich ...
Missing: percentage | Show results with: percentageMars Science Laboratory Observations of Chloride Salts in ...
National Institutes of Health (NIH) (.gov)
https://www.ncbi.nlm.nih.gov › articles › PMC6919417
by NH Thomas · 2019 · Cited by 63 — Here, we report the chloride salt distribution along the rover traverse. Chlorine is detected at low levels (<3 wt.%) in soil and rock targets with multiple MSL ...
Missing: percentage | Show results with: percentageEvidence for the distribution of perchlorates on Mars
Cambridge University Press & Assessment
https://www.cambridge.org › core › journals › article › e...
by BC Clark · 2016 · Cited by 87 — However, the S/Cl ratio across the broad range of meteorites is almost always at least 100 : 1, whereas in the martian global soil the chlorine is much higher ...Mars Soil May Be Toxic to Microbes
Space.com
https://www.space.com › ... › Solar System › Mars
Jul 6, 2017 — Ultraviolet (UV) radiation streaming from the sun "activates" chlorine compounds in the Red Planet's soil, turning them into potent microbe- ...The effect of chlorine on the liquidus of basalt
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
by J Filiberto · 2009 · Cited by 93 — High Cl contents have been confirmed by the MER rovers. The Adirondack-class basalts have ~ 0.2 wt.% Cl (Gellert et al., 2006) while the soil ...Water and chlorine content in the Martian soil along the first ...
AGU Publications
https://agupubs.onlinelibrary.wiley.com › doi › full
by IG Mitrofanov · 2014 · Cited by 72 — The presence of hydrated phases in the soil and near-surface bedrock of Gale Crater is thought to be direct evidence for water-rock ...
Missing: percentage | Show results with: percentageCuriosity's SAM Instrument Finds Water and More in ...
NASA (.gov)
https://www.nasa.gov › solar-system › curiositys-sam-in...
Sep 26, 2013 — “About 2 percent of the soil on the surface of Mars is made up of water, which is a great resource, and interesting scientifically.” The ...Soil on Mars
Let's Talk Science
https://letstalkscience.ca › backgrounders › soil-on-mars
Sep 23, 2021 — Learn how soil is different on Mars than on Earth, and what that means for growing plants on the red planet.Precise chlorine determination in geological materials ...
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
by Y Rao · 2024 — In-situ measurements with the Wet Chemistry Laboratory onboard the Phoenix Mars Lander performing aqueous chemical analyses of martian soil ...
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The expression "Three Sisters" has prominence as a summary of an agricultural practice.
The practice has been discussed in this forum, and while I don't recall the specific post, I am sure tht RobertDyck has discussed them.
I asked Google to refresh my memory of the term, and while agriculature was the first reference, a play by Chekhof came up along with a rock formation Australia.
For anyone who might appreciate this reminder of quite disparate subjects, here is the citation Google came up with:
Overview
The term "three sisters" refers to two distinct concepts: an ancient Indigenous American agricultural method involving corn, beans, and squash, and Anton Chekhov's 1901 play of the same name.Three Sisters agricultural technique
This companion planting method is a sustainable farming practice in which corn, beans, and squash are planted together for their mutual benefit.
Corn: Provides a tall stalk for the bean vines to climb, keeping them off the ground and closer to the sun.
Beans: Are a legume that fixes nitrogen into the soil, acting as a natural fertilizer for the nitrogen-hungry corn and squash.
Squash: Has broad, prickly leaves that spread out at the base of the mound. This functions as a "living mulch," shading the soil to prevent weeds and retain moisture. The prickly vines also deter pests.
This trio provided a nutritionally balanced diet for Native American communities, offering carbohydrates from the corn, protein from the beans, and vitamins from the squash. The method is still used today and is revered by many Indigenous cultures as a spiritual symbol of interdependence and community.
Chekhov's Three Sisters play
This Russian play, written by Anton Chekhov, explores themes of hope, disillusionment, and the search for meaning in life. The story follows the three Prozorov sisters—Olga, Masha, and Irina—who live in a provincial town and long to return to the bustling life of Moscow.
Plot: The sisters are intelligent and cultured, but they feel trapped and unfulfilled by their stagnant, provincial existence. Their life is filled with trivial social gatherings, but their deeper aspirations for love, work, and a more meaningful existence remain unrealized.
Symbolism: The recurring expression "To Moscow!" comes to symbolize the sisters' yearning for a future that will likely never arrive. The play's meaning is often seen as a portrayal of human struggle with mortality and the disconnect between a life dreamed of and the life lived.Other uses of the expression
The phrase "three sisters" also appears in other, less prominent contexts, such as:A children's book series: The Baby-Sitters Little Sister has a book titled Karen, Hannie and Nancy: The Three Musketeers, where a trio of young friends is referred to as the "three musketeers".
A rock formation in Australia: The Three Sisters are a famous rock formation in the Blue Mountains of New South Wales, Australia, with a traditional Aboriginal legend explaining their origin.
If anyone is ** really ** interested, Google found a number of citations where the subject is pursued in depth.
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