00664     2200193   4500001002100000005001500021007000300036008004100039035002000080082001700100084002300117100002300140245017600163260003500339300002600374600001400400600002800414856002800442INLIS00000000000621520210915023706ta210915                           0 ind    a0010-0921000006  a(047)631.417  a(047)631.417 SAP l0 aSAPUTRA, Awan Nata1 aLaporan  Praktek Kerja  Lapangan  di Balai Pengkajian Teknologi Pertanian (BPTP)Jawa Timur  Penentuan Kadar C-Organik Metode Spektrofotometri (Wakley & Black) Contoh Tanah  aMalang :bSMKN 7 Malang,c2021  a34p. :bilus ;c29 cm 4ac-organik 4ametode spektrofotometri  aPerpustakaan BPTP Jatim