How come many houseplants will rot if their roots sit in waterlogged soil but when you propagate plants you let the roots sit in water to grow?

Question

How come many houseplants will rot if their roots sit in waterlogged soil but when you propagate plants you let the roots sit in water to grow?

In: Biology

Answer 1

Plants need oxygen within the water and when they eat all of it out of the water then they will slowly starve. Hydroponics gets around this by constantly pumping oxygen into the water so it stays “fresh”