The production of micronutrient deficiencies in plants grown in sand culture and the effects of some of these deficiencis on plant growth /
Hewitt, Eric J.
Nicholas, D. J. D.Use of Aspergillus niger for determining magnesium, copper, zinc, molybdenum and manganese in soils and plants
Fertiliser Society.
London : Fertiliser Society,
[1950]
"Papers read before the Fertiliser Society at Bristol on 28th June, 1950."
Includes bibliography.
Plants
Aspergillus niger.
Micronutrient fertilizers.
Soils