How do Oxygen and Water come together in hydroponics?
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Q: If Oxygen is the key, where does the water come in?
A: Good question. Water is the like a glue that holds all of life together. All the nutrients
a plant consumes can be dissolved in water. There is a good
reason for this: a plant
has no heart, no bloodstream, no blood. The question now is," How do the nutrients
get from the roots all the way inside the plant to the
leaves?" If we say "Sweat," that
wouldn't be far off.
At the roots, the plant absorbs the water with the minerals dissolved in it. This nutrient rich water enters through tiny holes in the root hairs. This solution is passed up inside the plant from cell to cell until it reaches the
leaves. At the leaves, the plant has more tiny holes. The plant spreads its leaves in the sunlight and allows the water to evaporate out those tiny holes in each leaf. Now here's the important part: the minerals are
left behind, up top in the plant.
Can you dig this? The nutrient solution you mix up is a lot like the plant's own nutrient transport solution. It is like the sap the plant itself mixes up.
