Suryatna Effendi text Bogor Pusat Peneltian Tanah dan Agroklimat 1991 xvii, 500 hal,;27 cm Pupuk 631.8 210322 20210322155614 INLIS000000000000957 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)