00677     2200217   4500001002100000005001500021035002000036005001500056035002000071245012600091100001900217300003200236260004500268008003900313082001800352084002400370650000900394650002200403650001800425990001600443INLIS00000000000178920230712095211  a0010-042200004420220427101507  a0010-04220000441 aPenetapan kadar fosfor pada tanah dengan spektrofotometer metode BRAY 1 :baporan praktik kerja lapangan /cAyu Ratnasari0 aRatnasari, Ayu  aviii, 33p :bill. ;c30 cm.  aCianjur :bSMK Terpadu Al-Ittihad,c2018230712                |          | |    a631.41:547.42  a631.41:547.42 RAT p 4aSOIL 4aSPECTROPHOTOMETER 4aSOIL ANALYSIS  a2195/R/2018