TY  - BOOK
AU  - Kyuma,Kazutake
AU  - Kawaguchi,Keizaburo
TI  - Fertility evaluation of paddy soils in South and Southeast Asia: first approximation
PY  - 1971///
CY  - Kyoto University, Kyoto
PB  - The Center for Southeast Asian Studies
KW  - Soil fertility
KW  - South Asia
KW  - Soils
KW  - Asia, Southeastern
KW  - Soil fertility Asia, Southeastern
ER  -