1. The easily reducible manganese of soils
  2. An analysis of captures of Aphididae (Hemiptera) in a light trap
  3. On the ecology of beetles of the genus Agriotes with special reference to A. obscurus
  4. Protective antigens isolated from Br. Arbotus
  5. Methods of Deferred Sentencing in Testing the Fraction Defective of a Continuous Output
  6. The determination of the factor for pyrethrin 1 in the mercury method
  7. Factors affecting the loss of yield of sugar beet caused by beet yellows virus. II. Nutrition and variety
  8. Soils and fertilizers
  9. Soils and health - Advancement of science - presidential address to Section M (Agriculture) of the British Association
  10. Rothamsted Experimental Station
  11. The logarithmic series and its application to biological problems
  12. The logarithmic series and the comparison of island floras
  13. The field of research in preventive entomology
  14. The generic relations of species in small ecological communities
  15. The use of salt for sugar beet
  16. The essential nature of certain minor elements for plant nutrition. II
  17. Some properties of potato virus x in leaf extracts made in different ways
  18. Primula obconica, a carrier of tobacco necrosis viruses
  19. The influence of light intensity on the susceptibility of plants to certain viruses
  20. The behaviour of some naturally occurring strains of potato virus y
  21. Technique of the analysis of variance
  22. Analysis of data from all possible reciprocal crosses between a set of parental lines
  23. Evaporation in nature
  24. A note on differential responses in blocks
  25. The production of dermatitis by pyrethrum and attempts to produce a non-irritant extract