International Symposium on the Role of Sulphur, Magnesium and Micronutrients in Balanced Plant Nutrition /
International Symposium on the Role of Sulphur, Magnesium and Micronutrients in Balanced Plant Nutrition /
editor, Sam Portch.
- Hong Kong : Potash and Phosphate Institute, [199?].
- x, 418 p. : ill.
92026168
Plants--Nutrition.
92026168
Plants--Nutrition.