TY  - BOOK
AU  - 
TI  - Proceedings of International Potash Institute on Methods of K-research in plants: 21st Colloquium of the International Potash Institute
AV  - QK753.P7 I57 1989
PY  - 1989///
CY  - Bern, Switzerland
PB  - The Institute
KW  - Plants
KW  - Crops
KW  - Effect of potassium
ER  -