True Martian soil is biologically inert. There are no microbes and no possibility of life taking hold. It would take decades to introduce enough fertilizer and microbial life before even the possibility of the first shoot of plant life could be hoped for.
Read an article about this a couple of years ago, potatoes would not grow in Martian soil due to sulfur issues. Way to much in solution.
It’s always troubled me that we apply earth “life” standards to other planets. For all we know, the Mars rover may have wiped out trillions of martian living things.