GROWTH-PROMOTING PROPERTIES OF BACTERIA ISOLATED FROM RHIZOSPHERE AND RHIZOPLANE OF DIPTEROCARP PLANTS ON ACIDIC LOWLAND TROPICAL PEAT FOREST IN CENTRAL KALIMANTAN, INDONESIA - Irnayuli R. Sitepu; Yasuyuki Hashidoko; Erdy Santoso; Satoshi Tahara (Secretariat of Agency for Standardization of Environment and Forestry Instruments, 2009)