TY  - BOOK
AU  - Kemmler,G.
AU  - Malicornet,H.
ED  - International Potash Institute (Bern),
TI  - Fertilizer experiments the need for long term trials
U1  - 631.88 
PY  - 1976///
CY  - Bern
PB  - International Potash Institute
KW  - Fertilizers
KW  - Application
KW  - Crops
KW  - Soil fertility
ER  -