TY  - BOOK
AU  - Potash and Phosphate Institute.
AU  - Potash and Phosphate Institute.
TI  - Internation Symposium on the Role of Sulpher Magnesium and Micronutrients in Balanced Plant Nutrition
U1  - 631.825/PPIC 
CY  - Canada.
PB  - Potash and Phosphate Institute.
KW  - Micronutrients
KW  - Sulpher Magnesium
KW  - Plant Nutrition
ER  -