Proceedings of the workshop on urea deep placement technology, Bogor Indonesia September 1984 text Alabama International Fertilizer Development Center 1984 vi, 143 p. : ill ; 28 cm PUPUK UREA PROCEEDINGS 631.8 631.8 INLIS000000000001602 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)