▁in ▁some ▁environments ▁may ▁be ▁from ▁organ ic ▁mole c ule ▁cat abol ism . ▁It ▁is ▁important ▁to ▁note ▁that ▁once ▁a ▁my cor rh iz al ▁sym b ios is ▁is ▁established ▁the ▁only ▁ph osph orus ▁obtained ▁by ▁the ▁plant ▁comes ▁through ▁the ▁fung al ▁t issue . ▁Additionally ▁the ▁large ▁scale ▁assist ed ▁transport ▁of ▁ph osph orus ▁from ▁fung i ▁to ▁plant ▁only ▁occurs ▁when ▁the ▁fung al ▁pel ot ons ▁are ▁alive , ▁once ▁these ▁structures ▁start ▁to ▁deg rade ▁significant ▁flow ▁of ▁ph osph orus ▁ce ases . ▁This ▁class ifies ▁this ▁path way ▁as ▁bi ot roph ic , ▁meaning ▁transfer ▁of ▁nut ri ents ▁between ▁two ▁or ▁more ▁organ isms ▁that ▁are ▁both ▁alive . ▁ ▁N it ro gen ▁transport ▁ ▁N it ro gen ▁transport ▁is ▁an ▁equally ▁important ▁and ▁influ ential ▁process ▁that ▁often ▁occurs ▁through ▁my cor rh iz al ▁associations . ▁N it ro gen ▁is ▁significantly ▁easier ▁to ▁obtain ▁than ▁ph osph orus ▁and ▁far ▁more ▁abund ant , ▁but ▁my cor rh iz al ▁interactions ▁still ▁provide ▁a ▁significant ▁benefit ▁in ▁the ▁allocation ▁of ▁nit ro gen . ▁Bio available ▁nit ro gen ▁as ▁nit rate ▁and ▁am mon ium ▁are ▁absor bed ▁from ▁the ▁soil ▁media ▁into ▁the ▁extr ar ad ical ▁my cel ium ▁of ▁the ▁my cor rh iz al ▁fung i ▁and ▁assim il ated ▁into ▁am ino ▁ac ids . ▁In ▁some ▁cases ▁am ino ▁ac ids ▁and ▁other ▁nit ro gen