na INLIS000000000002099 20230803032420 0010-0823000027 Pedoman pengamatan tanah di lapangan / Kepala Balai Penelitian dan Pengembangan Sumberdaya Lahan Pertanian Sukarman ix, 136 p : ill. ; 25 cm Ritung, Sofyan Anda, Markus Suryani, Erna Jakarta : IAARD PRESS, 2017 631.47 631.47 SUB p 978-602-344-163-1 230803 0 2341/D/2020