documentclass{article}

usepackage[style=reading,
            entryhead=true,
            entrykey=false,
            natbib,
            hyperref=false,
            url=false,
            doi=false,
            %style=apa,
            sorting=nyt,
            isbn=false,
            %backref=true,
            firstinits=true,
            minnames=13,
            maxnames=35,
            minbibnames=10,
            maxbibnames=100,
            parentracker=true,
            defernumbers=true,
            backend=biber]{biblatex}

DeclareSourcemap{
  maps[datatype=bibtex]{
    map{
     step[notfield=annotation,entrynull=true]
    }
  }
}

begin{filecontents}{jobname.bib}
@inproceedings{ABCDFG,
  annote = {This is a very nice paper.},
  author = {GGPB},
  booktitle = {BOEUS},
  keywords = {clipping},
  title = {NOAP},
  volume = {0},
  year = {2005},
}
@inproceedings{XXXXXX,
  author = {PQR},
  booktitle = {BBC},
  keywords = {LLM},
  title = {ARP},
  year = {2010},
}
end{filecontents}

addbibresource{jobname.bib}

begin{document}

nocite{*}

printbibliography

end{document}