ACACIA (BOTANIK); NITROGEN + NITROGEN COMPOUNDS (SOIL CHEMISTRY); TANSANIA (OSTAFRIKA). VEREINIGTE REPUBLIK TANSANIA; FEUERBIOLOGIE + FEUERÖKOLOGIE (ÖKOLOGIE); NITROGEN FIXATION (SOIL MICROBIOLOGY); STICKSTOFF + STICKSTOFFVERBINDUNGEN (BODENCHEMIE); PHOSPHORUS + PHOSPHORUS COMPOUNDS (SOIL CHEMISTRY); ACACIA (BOTANY); TANZANIA (EAST AFRICA). UNITED REPUBLIC OF TANZANIA; FIRE BIOLOGY + FIRE ECOLOGY (ECOLOGY); SAVANNENBIOLOGIE + SAVANNENÖKOLOGIE; SAVANNA BIOLOGY + SAVANNA ECOLOGY; PFLANZENFRESSER (TIERÖKOLOGIE); SOIL NUTRIENTS (PEDOLOGY); BODENNÄHRSTOFFE (PEDOLOGIE); PHYTOPHAGES (ANIMAL ECOLOGY); STICKSTOFFFIXIERUNG (BODENMIKROBIOLOGIE); PHOSPHOR + PHOSPHORVERBINDUNGEN (BODENCHEMIE)