na INLIS000000000003405 20210519133649 210519||||||||| | ||| |||| || | 010-0521003405 id NONE Lembaga Penelitian Tanah Pedoman Penganatan Tanah di Lapang Bogor Lembaga Penelitian Tanah 1967 iv, 139 p.: ill.; 19 cm. LAND;CULTIVATION; GUIDELINES; FIELD