Think about it. You can plant a seed in a small pot, and grow a plant that takes up more volume than the pot does, and still have a pot full of soil. So, the plant, or at least the vast majority of it, is not comprised of substances from the soil. The only other two things that are added are air and water. So is a plant made up 95% of hydrogen, oxygen, and nitrogen? Where does it get carbon from? Carbon dioxide?
What the heck is a plant made of, anyway?
- Thread starter notfred
- Start date
So.... you can make a human with a single sperm and a multicell egg. That is all that is needed...
Pretty cool stuff!
Pretty cool stuff!
formula for photosynthesis
Actually this one is unbalanced, but you get the idea. It gets its carbon from CO2
6 CO2 + 12 H2O + sunlight ---> 6 O2 + C6H12O6 + 6 H2 O
There we go, hopefully you can read that. I dont know how to do subscripts here.
plants eat too, not really eating, but they 'absorb' sunlight to help them
actually i have no idea what im talking about but i want my 2000th post
actually i have no idea what im talking about but i want my 2000th post
- Oct 10, 1999
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Maybe you should take a Biology course.
Plants are made of cellulose.
Plants don't have cells like animals do. Their cells have walls for strength.
Plants take water (H2O) from the soil, Carbon (C) and Nitrogen (N) from the air. This makes C6H12O6 (carbohydrate) after photosynthesis. Nitrogen is used in different ways by different plants. It is used mostly as a catylist.
Plants are pretty complex things.
Plants are made of cellulose.
Plants don't have cells like animals do. Their cells have walls for strength.
Plants take water (H2O) from the soil, Carbon (C) and Nitrogen (N) from the air. This makes C6H12O6 (carbohydrate) after photosynthesis. Nitrogen is used in different ways by different plants. It is used mostly as a catylist.
Plants are pretty complex things.
We're all carbonbased lifeforms... and through photosynthesis, they get their carbon from the air.
DivideBYZero
Lifer
- May 18, 2001
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It looks large as it's cells are full of water.
e.g., If you have a Basil plant, the type you get at supermarkets for use in the kitchen, it's nice and bushy. Don't water it for a week and the same plant is flat and limp, taking up very little space or mass.
Even ppl are 75% (or so..) water.
e.g., If you have a Basil plant, the type you get at supermarkets for use in the kitchen, it's nice and bushy. Don't water it for a week and the same plant is flat and limp, taking up very little space or mass.
Even ppl are 75% (or so..) water.
Plants don't take Nitrogen from the air, they take it from the soil.
The three main elements that Plants need to grow are Nitrogen, Phosphorus, and Potassium. In addition, they need a myriad of other trace elements.. Magnesium, Boron, Copper, Iron, Maganese, Zinc, Molybdenum.. all come from the soil.
Some plants get the majority of their water from the air, orchids for example. Nitrogen is also catalyzed from the soil.
- Oct 10, 1999
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Alot of plants get Nitrogen from the air dude.Originally posted by: Eli
Plants don't take Nitrogen from the air, they take it from the soil.
The three main elements that Plants need to grow are Nitrogen, Phosphorus, and Potassium. In addition, they need a myriad of other trace elements.. Magnesium, Boron, Copper, Iron, Maganese, Zinc, Molybdenum.. all come from the soil.
Not all soils are rich in nitrogen. Clover and legumes get their nitrogen from the air and store it in nodules on their roots. They are called Nirtogen-fixing plants.
This is true.Originally posted by: Iron Woode
Alot of plants get Nitrogen from the air dude.Originally posted by: Eli
Plants don't take Nitrogen from the air, they take it from the soil.
The three main elements that Plants need to grow are Nitrogen, Phosphorus, and Potassium. In addition, they need a myriad of other trace elements.. Magnesium, Boron, Copper, Iron, Maganese, Zinc, Molybdenum.. all come from the soil.
Not all soils are rich in nitrogen. Clover and legumes get their nitrogen from the air and store it in nodules on their roots. They are called Nirtogen-fixing plants.
We're just being too general, I guess.
- Oct 10, 1999
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It's called carbon fixation. The cabron comes from CO2 in the air. Plants are mainly composed of celluose, a sugar humans cannot digest.
Originally posted by: Iron Woode
Alot of plants get Nitrogen from the air dude.Originally posted by: Eli
Plants don't take Nitrogen from the air, they take it from the soil.
The three main elements that Plants need to grow are Nitrogen, Phosphorus, and Potassium. In addition, they need a myriad of other trace elements.. Magnesium, Boron, Copper, Iron, Maganese, Zinc, Molybdenum.. all come from the soil.
Not all soils are rich in nitrogen. Clover and legumes get their nitrogen from the air and store it in nodules on their roots. They are called Nirtogen-fixing plants.
Most plants, however, can't fix the free nitrogen (N, I believe) in the air to usable nitrogen (N2, I believe). Most rely on bacteria that live in a mutualistic relationship with them to fix the nitrogen for their use.
- Oct 10, 1999
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True.Originally posted by: konichiwa
Originally posted by: Iron Woode
Alot of plants get Nitrogen from the air dude.Originally posted by: Eli
Plants don't take Nitrogen from the air, they take it from the soil.
The three main elements that Plants need to grow are Nitrogen, Phosphorus, and Potassium. In addition, they need a myriad of other trace elements.. Magnesium, Boron, Copper, Iron, Maganese, Zinc, Molybdenum.. all come from the soil.
Not all soils are rich in nitrogen. Clover and legumes get their nitrogen from the air and store it in nodules on their roots. They are called Nirtogen-fixing plants.
Most plants, however, can't fix the free nitrogen (N, I believe) in the air to usable nitrogen (N2, I believe). Most rely on bacteria that live in a mutualistic relationship with them to fix the nitrogen for their use.
Aren't plants wonderful.
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