I've seen these pics before and have noted that, given tusks are teeth and have a large amount of phosphorus in them, surely these buried tusks must have extrac

I've seen these pics before and have noted that, given tusks are teeth and have a large amount of phosphorus in them, surely these buried tusks must have extracted then locked up an enormous amount of bio-available phosphorus which must(?) have seriously limited that plant nutrient. Any thoughts from biologists?