TY - NCL AU - Black,C.A. AU - Ishizuka,Y. TI - Soils derived from volcanic ash in Japan U1 - 631.4752 PY - 1977/// CY - Mexico, DF (Mexico) PB - CIMMYT, KW - Ashes KW - Japan KW - Liming KW - Mineral deficiencies KW - Mineralogical soil types KW - Nutritional disorders KW - Organic matter KW - Sand KW - Soil biology KW - Soil chemicophysical properties KW - AGROVOC KW - Soil management KW - Soil morphological features KW - Soil treatment KW - Volcanic soils KW - Soil fertility N1 - Also available in Spanish ER -