Chemical characteristics of continously cropped soils and how to improve them text Taipei ASPAC 1989 Ind 8 p. : ill. ; 26 cm.-- 8 p. : ill. ; 26 cm.-- Bibl. p. 7-8 JUNG-HUI YOON SOIL CHEMICOPHYSICAL PROPERTIES 631.41 INLIS000000000002741 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)