Total P2O5 28%min liquid guano bio-organic fertilizer 1.Total P2O5:20~ ... 2% Total P2O5 28%min liquid guano bio-organic fertilizer One of the best guano.(pass MSDS & SGS) Sepcification: ... 0.2% Al2O31%min Color light-yellow/BrownSeabird Guano(SG) can be widely used in pollution-free enviroment ... of fertigation and foliar treatment by natural nitrogenous guano in micronized particles;2.It is a fertilizer ...