TY  - BOOK
TI  - Abstracts of the 111 papers submitted to the Competition
U1  - 016.631 830 72 I-5A 
PY  - 1985///
PB  - Bern
KW  - POTASSIUM FERTILIZERS -- RESEARCH -- ABSTRACTS
KW  - POTASSIUM FERTILIZERS -- RESEARCH -- ABSTRA
ER  -