Long, Eric Henry, M.
Crop nutrition and soils
- Greenmount College of Agriculture and Horticulture, 1992
- Agricultural Technology Services Technical Note TTF .
Crop production
Plant nutrition
Nitrogen fertilizers
Phosphorus fertilizers
Potassium fertilizers
Magnesium fertilizers
Sulphur fertilizers
Calcium fertilizers
Manganese
Sodium
Boron fertilizers
Copper
Iron
Zinc