Umar text Pekanbaru BPTP Riau 2007 1 2p : ilus. ; 30 cm teknologi budidaya persemaian penanaman pemupukan perawatan tanaman panen dan pasca panen Umar, Ika Purwani Umar 20210807024803 INLIS000000000000021 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)