na INLIS000000000002757 Ind 0010-1118002757 Pusat Penelitian Tanah = Center for Soil Research PUSAT PENELITIAN TANAH Pusat Penelitian Tanah Bogor Badan Litbang Pertanian 25 p. : ill. ; 16 cm. 25 p. : ill. ; 16 cm. Br.Ind.631.4PUSp 631.4.001.5 SOILS RESEARCH INSTITUTIONS mfn-4439