yes but not the way you are thinking. some gravel have a high (i forgot the name too late at night) substrate i use like sms able to suck in the ferts from the water and slowly release them into the root system. someone i hope will help me on this one.
Cation exchange rate. Aquasoil, Turfex, Soilmaster, etc have the high number on that.
Beat me to it.
LoL I practically asked this question just a few hours ago. It's starting to make me wonder why I spent all the money on fluorite if it can't retain fertilizers from the water column...
Flourite also has a good CEC and it is significantly more dense than Turface and SMS, so it's great for planted tank.