=LDR 22 4500 =001 6724 =082 04$a2017 BAG =100 1\$aBagla, Richa =245 10$aEnvironmental Benefits of Biochar as a soil amendment: a meta-analysis =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c2017 =650 \0$aTheses =852 \\$bFreeman Library$h2017 BAG