00540cam a2200169 i 450000500170000002000250001708200170004210000180005924500910007726000330016830000330020150400510023465000130028565000210029865000270031970000240034620260602085453.0  a9780367658762 (pbk.)00a333.9539bOK  aOk, Yong Sik.00aBiochar :bproduction, characterization, and applications /cYŏng Sik Ok,..(et. al.)  aLondon :bCRC Prees,cc2016.  axxii, 416 p. :bill. ; 26cm.  aIncludes bibliographical references and index. 0aBiochar. 0aSoil amendments. 0aFilters and filtration1 aUchimiya, Sophie M.