TY  - BOOK
AU  - Perrenoud,S.
ED  - International Potash Institute.
TI  - Potassium and plant health
U1  - 638.8 22
PY  - 1977///
CY  - Bern
PB  - International Potash Institute
KW  - Potassium fertilizers
KW  - Crops
KW  - Effect of potassium on
KW  - Plant diseases
KW  - Nutritional aspects
KW  - Plant health
KW  - Botany
N1  - Includes bibliographical references and index
ER  -