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Soils and fertilisers
Chemical aspects of soil cultivation
A manometric apparatus for the direct determination of summation percentage curves in mechanical analysis
Some physical properties of heavy alkaline soils under irrigation in the Sudan Gezira
Soil Classification and Soil Surveys
Nomographs for use in mechanical analysis calculations
The direct determination of distribution curves of particle size in suspension
Sulphur treatment of soil and the control of wart disease of potatoes in pot experiments
Sulphur treatment of soil and the control of wart disease of potatoes in pot experiments
The role of boron in the growth of plants
The inter-relation between silicon and other elements in plant nutrition
On the distribution of the error of an interpolated value, and on the construction of tables
On some objections to mimicry theory; statistical and genetic
Studies in crop variation: IV. The experimental determination of the value of top dressings with cereals