TY  - BOOK
AU  - International Potash Institute Congress, 13th, Reims, France
TI  - Nutrient balancees and the need for potassium : proceedings
U1  - 631.83 I-5N 
CY  - Worblaufen
KW  - POTASSIUM FERTILIZERS -- CONGRESS
KW  - SOIL AND NUTRITION -- CONGRESS
KW  - SOILS -- POTASSIUM CONTENTS -- CONGRESS
ER  -