Salting is only helpful when it's warmer/ wetter. That's why they use it in spring time a bunch. Can throw down salt when it's 70 and slushy and firm that shit up.
Snow veries a lot op. Maybe you worked with powder mostly. The problem is compacting it. You can step on it a bunch and it will still be soft. The nire you can comosct it the better. If it's cold and sets over night that will help a lot too. You can add water to the surface to help bulk it up and make it more dense/allow it to freeze a bit.
Sometimes urban crews will use propane to melt the lips so they back in and don't fall apart. Salt really wont help a take off of powder when it's cold.
Rink shaving are ice but in 50 temps they should bond enough. If it starts melting and being wet then def rock the salt.
Idk we used to pick up rink shavings and set uo spots late at night in the summer sometimes even. Rake or shovel it out and throw aome salt on there to freeze that surface and get more speed and make everyting more solid/keep it from melting away to water and mush.
Different aniw and temps react differently. Fuck around withbstuff and see what works. If the snows wet add some salt, if its dry salt isn't really the move.also make sure you smooth everything then salt, then waot, then ride. Otherwise it will freeze in whatever ridges are there.