TY  - BOOK
ED  - International Potash Institute
TI  - Pottasium in soil : : proceedings of the 19th colloquium of the Int ernatiomal Potash Institute held in Landshut / 
U1  - 631.416 INT 
PY  - 1972///
CY  - [Berne], 
PB  - 
KW  - Soils
KW  - Potassium content
N1  -  Opening and closing remarks in French;  On spine: 9th colloquium of the International Potash Institute 1972;  Includes bibliographical references
ER  -