J. B. D. Robinson
Diagnosis of mineral disorders in plants
Diagnosis of Mineral Disorders in Plants
A handbook on Arabica coffee in Tanganyika
An annotated bibliography of colour illustrated mineral deficiency symptoms in tropical crops
Principles (Diagnosis of Mineral Disorders in Plants)
The soil nitrogen index and its calibration with crop performance to improve fertilizer efficiency on arable soils
Vegetables (Diagnosis of Mineral Disorders in Plants, Vol 2)