What is the effect of application of P2O5 fertilizer to a green manure leguminous crop on the availabiliity of phosphorus to the succeeding crop?

A) Greater amount of phosphorus is taken up and converted into organic form, which is released on decomposition of green matter B) Green manure increases the availability in organic form to the next crop C) It does not affect the availability of phosphorous to succeeding crop D) It fixes the P2O5 through humus and reduces the availability