TY  - BOOK
AU  - International Potash Institute
TI  - Potassium in tropical crop and soils. 1973 : proceedings of the 10th colloquium of the International Potash Institute held in December 1973 in Abidjan/Republic of Ivorycoast
PY  - 1973///
CY  - Berne
PB  - International Potash Institute
ER  -