TY - BOOK ED - Food and Fertilizer Technology Center for the Asian and Pacific Region TI - Ecology and managemento of problem soils in Asia T2 - FFTC. Book series U1 - 631.46 PY - 1984/// CY - Taiwan PB - Food and Fertilizer Technology Center for the Asian and Pacific Region KW - Suelos KW - Asia KW - Ecología ER -