Lokakarya nasional efesiensi pupuk text Bogor Pusat Penelitian Tanah dan Agroklimat 1987 xvii, 285 hal; 24 cm Pusat Penelitian Tanah dan Agroklimat Fertilizer -- Pupuk 631.81 631.81 LOK p 979-8070-08-9 230830 20230830015539 INLIS000000000000961 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)