TY  - BOOK
TI  - Potassium in tropical crops and soils; proceedings of the Xth colloquim of the International Pottash Institute
U1  - 631.484 
PY  - 1974///
CY  - Abidjan
PB  - International Potash Institute
KW  - pottasium in soils
KW  - pottasium in tropical crops
ER  -