TY  - BOOK
TI  - Proceedings
U1  - 631.83(52) 1961 (082.2)  K3;1 
PY  - 1963///
CY  - Tokyo
PB  - Potash Research Association
KW  - Japanese Potassium Symposium, Sendai, 1961.
KW  - Fertilizers,Soil Science
ER  -