I have absolutely no idea.
Fertilizers can deplete the oxygen, clouds the water, causes odor problems.
unusual odor unexplained vapor clouds sudden onset illness unusual odors
Odour (United Kingdom) Odor (United States)
Odor
no, it does not.
"Mushy" is a texture, not an odor. There cannot be a "mushy" odor any more than there can be a "sticky" odor.
Uranium has no odor.
Zirconium has no odor.
Polonium has no odor.
Plutonium has no odor.
Fermium has no odor.
Plutonium has no odor.