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Hydroponics shows that it's possible to grow most plants in water, no soil at all. So soil is by no means a requirement for plants to grow. Source: Several Kra

Hydroponics shows that it's possible to grow most plants in water, no soil at all. So soil is by no means a requirement for plants to grow. Source: Several Kratky method veggies growing on my balcony.

IgorPartola 2y ago
But don’t you also need to bring fertilizer with you? Also from what I remember you can’t really grow plans with wooded stalks, or at least not as easily as ones with all green stalks.
- aussieguy1234 2y ago
  You would need some, but alot less than you might think. For my plants, about 3-5ml per litre of water is all thats needed.
  - westurner 2y ago
    Is there a KNF/JADAM hydro / aqua solution that would work? NPK: Nitrogen, Phosphorous, Potassium From https://www.space.com/16903-mars-atmosphere-climate-weather.html https://www.space.com/16903-mars-atmosphere-climate-weather.... : > According to ESA, Mars' atmosphere is composed of 95.32% carbon dioxide, 2.7% nitrogen, 1.6% argon and 0.13% oxygen. The atmospheric pressure at the surface is 6.35 mbar which is over 100 times less Earth's. Humans therefore cannot breathe Martian air. Lichen might grow in Martian soil and atmosphere. "‘Fixed’ nitrogen found in martian soil" (2015) https://www.science.org/doi/10.1126/science.347.6229.1403-a https://www.science.org/doi/10.1126/science.347.6229.1403-a : > Now, in a study published this week in the Proceedings of the National Academy of Sciences, the NASA Curiosity rover team reports detecting nitrates on Mars. ; nitric oxides /? do plants consume protein? https://www.google.com/search?q=do+plants+consume+protein https://www.google.com/search?q=do+plants+consume+protein Plants can use protein as a source of nitrogen. "Plants can use protein as a nitrogen source without assistance from other organisms" (2008) https://www.pnas.org/doi/abs/10.1073/pnas.0712078105 https://www.pnas.org/doi/abs/10.1073/pnas.0712078105 "Solein® transforms ancient microbes into the future of food" https://www.solein.com/blog/solein-transforms-ancient-microbes-into-the-future-of-food https://www.solein.com/blog/solein-transforms-ancient-microb... : > In Solein's case, the bacteria oxidise hydrogen – a process involving the removal of electrons from the hydrogen molecules. This reaction releases energy, which the bacteria use to fix carbon dioxide, transforming it into organic compounds, including proteins. "Scientists Just Accidentally Discovered a Process That Turns CO2 Directly Into Ethanol" (2024) https://www.sciencealert.com/scientists-just-accidentally-discovered-a-process-that-turns-co2-directly-into-ethanol https://www.sciencealert.com/scientists-just-accidentally-di... : > [...] Rondinone [@ORNL] and his colleagues had put together a catalyst using carbon, copper, and nitrogen, by embedding copper nanoparticles into nitrogen-laced carbon spikes measuring just 50-80 nanometres tall. (1 nanometre = one-millionth of a millimetre.) > When they applied an electric current of just 1.2 volts, the catalyst converted a solution of CO2 dissolved in water into ethanol, with a yield of 63 percent. Algae produce amino acids and proteins. Algae also use CO2 and Hydrogen to produce Omega-3 PUFAs, which are precursors to endocannabinoids. FWIU Hydrogen Peroxide can flush aquarium tanks and Kratky systems. From watching YouTube, IDK about pool noodle polyethylene foam in the sun (solar radiation) instead of rockwool though
kylebenzle 2y ago
[flagged]
- lukan 2y ago
  Soil is not the same as soil. There is soil on earth where allmost nothing can grow, because it is too salty, or lacking fertilzer. The research here is using flies for producing that fertilizer. (but I think they still need to eat something else than mars soil)
  - kylebenzle 2y ago
    Thank you, I taught a soils class at Ohio State University for 3 years and have a decade in ag research. Please, how is "soil" different from "soil"?
    - lukan 2y ago
      Well, I checked your website, if that is you. So how is that a serious question, unless you want to involve me with academic pedantries? "Please, how is "soil" different from "soil"?" Like I said, differences in how fertilzed it is, so how much humus it contains. And what kind of humus, ph value, .. you know it. The research here is basically using flies as fertilizers. My question without reading any further is, where are getting the flies their food from? From outside the system probably and not from the soil. But maybe insects are still helpful, so good, that this student showed it, right? Why then nonsensical?
hanniabu 2y ago
It's unsustainable unless we can produce the nutrients there
deleted 2y ago
[deleted]
BurningFrog 2y ago
Plants mainly need light and CO₂ to grow. But I assume they all need a few more elements to construct a real plant.
- PaulHoule 2y ago
  See https://en.wikipedia.org/wiki/Plant_nutrition https://en.wikipedia.org/wiki/Plant_nutrition and https://en.wikipedia.org/wiki/Labeling_of_fertilizer https://en.wikipedia.org/wiki/Labeling_of_fertilizer

IgorPartola 2y ago

But don’t you also need to bring fertilizer with you? Also from what I remember you can’t really grow plans with wooded stalks, or at least not as easily as ones with all green stalks.

aussieguy1234 2y ago
You would need some, but alot less than you might think. For my plants, about 3-5ml per litre of water is all thats needed.
- westurner 2y ago
  Is there a KNF/JADAM hydro / aqua solution that would work? NPK: Nitrogen, Phosphorous, Potassium From https://www.space.com/16903-mars-atmosphere-climate-weather.html https://www.space.com/16903-mars-atmosphere-climate-weather.... : > According to ESA, Mars' atmosphere is composed of 95.32% carbon dioxide, 2.7% nitrogen, 1.6% argon and 0.13% oxygen. The atmospheric pressure at the surface is 6.35 mbar which is over 100 times less Earth's. Humans therefore cannot breathe Martian air. Lichen might grow in Martian soil and atmosphere. "‘Fixed’ nitrogen found in martian soil" (2015) https://www.science.org/doi/10.1126/science.347.6229.1403-a https://www.science.org/doi/10.1126/science.347.6229.1403-a : > Now, in a study published this week in the Proceedings of the National Academy of Sciences, the NASA Curiosity rover team reports detecting nitrates on Mars. ; nitric oxides /? do plants consume protein? https://www.google.com/search?q=do+plants+consume+protein https://www.google.com/search?q=do+plants+consume+protein Plants can use protein as a source of nitrogen. "Plants can use protein as a nitrogen source without assistance from other organisms" (2008) https://www.pnas.org/doi/abs/10.1073/pnas.0712078105 https://www.pnas.org/doi/abs/10.1073/pnas.0712078105 "Solein® transforms ancient microbes into the future of food" https://www.solein.com/blog/solein-transforms-ancient-microbes-into-the-future-of-food https://www.solein.com/blog/solein-transforms-ancient-microb... : > In Solein's case, the bacteria oxidise hydrogen – a process involving the removal of electrons from the hydrogen molecules. This reaction releases energy, which the bacteria use to fix carbon dioxide, transforming it into organic compounds, including proteins. "Scientists Just Accidentally Discovered a Process That Turns CO2 Directly Into Ethanol" (2024) https://www.sciencealert.com/scientists-just-accidentally-discovered-a-process-that-turns-co2-directly-into-ethanol https://www.sciencealert.com/scientists-just-accidentally-di... : > [...] Rondinone [@ORNL] and his colleagues had put together a catalyst using carbon, copper, and nitrogen, by embedding copper nanoparticles into nitrogen-laced carbon spikes measuring just 50-80 nanometres tall. (1 nanometre = one-millionth of a millimetre.) > When they applied an electric current of just 1.2 volts, the catalyst converted a solution of CO2 dissolved in water into ethanol, with a yield of 63 percent. Algae produce amino acids and proteins. Algae also use CO2 and Hydrogen to produce Omega-3 PUFAs, which are precursors to endocannabinoids. FWIU Hydrogen Peroxide can flush aquarium tanks and Kratky systems. From watching YouTube, IDK about pool noodle polyethylene foam in the sun (solar radiation) instead of rockwool though

kylebenzle 2y ago

[flagged]

lukan 2y ago
Soil is not the same as soil. There is soil on earth where allmost nothing can grow, because it is too salty, or lacking fertilzer. The research here is using flies for producing that fertilizer. (but I think they still need to eat something else than mars soil)
- kylebenzle 2y ago
  Thank you, I taught a soils class at Ohio State University for 3 years and have a decade in ag research. Please, how is "soil" different from "soil"?
  - lukan 2y ago
    Well, I checked your website, if that is you. So how is that a serious question, unless you want to involve me with academic pedantries? "Please, how is "soil" different from "soil"?" Like I said, differences in how fertilzed it is, so how much humus it contains. And what kind of humus, ph value, .. you know it. The research here is basically using flies as fertilizers. My question without reading any further is, where are getting the flies their food from? From outside the system probably and not from the soil. But maybe insects are still helpful, so good, that this student showed it, right? Why then nonsensical?

hanniabu 2y ago

It's unsustainable unless we can produce the nutrients there

deleted 2y ago

[deleted]

BurningFrog 2y ago

Plants mainly need light and CO₂ to grow. But I assume they all need a few more elements to construct a real plant.

PaulHoule 2y ago
See https://en.wikipedia.org/wiki/Plant_nutrition https://en.wikipedia.org/wiki/Plant_nutrition and https://en.wikipedia.org/wiki/Labeling_of_fertilizer https://en.wikipedia.org/wiki/Labeling_of_fertilizer