TY  - BOOK
AU  - Colloquium on Potassium in Tropical Crops and Soils, 10th, Abidjan, Dec. 1973.
TI  - Potassium in tropical crops and soils; proceedings
U1  - 631.416.4:633(213) L3 
PY  - 1974///
CY  - Berne (Switzerland)
PB  - International Potash Institute
KW  - Field Crops-Fertilizers and manures,Soil-potassium Content,Plants-potassium effect
ER  -