1925

  1. Statistical methods for research workers
  2. The influence of washing upon the reproductive rate of Colpidium colpoda
  3. The use of the dynamometer in soil cultivation studies and implement trials
  4. Biological studies of Aphis Rumicis Linn. Factors affecting the infestation of Vicia faba with Aphis rumicis
  5. The bean aphis
  6. The dispersion of soil in water under various conditions
  7. Studies in soil cultivation. III. Measurements on the Rothamsted classical plots by means of dynamometer and plough
  8. Studies in soil cultivation. II. A test of soil uniformity by means of dynamometer and plough
  9. Studies in soil cultivation. I. The evolution of a reliable dynamometer technique for use in soil cultivation experiments
  10. The border-line between meteorology and soil physics
  11. A laboratory apparatus for the wet grinding of plant tissues out of contact with air
  12. On a labile blue compound from the potato tuber
  13. The determination of lime requirements
  14. Further experiments on the effect of removing the soluble humus from a soil on its productiveness
  15. A note on the availability of organic nitrogen compounds in pot experiments
  16. Some aspects of the Gezira soil problems (and analysis of the influence of rainfall on yield of cotton at the Gezira Research Farm)
  17. A source of error in the mechanical analysis of sediments by continuous weighing
  18. Studies on soil reaction III The determination of the hydrogenion concentration of soil suspensions by means of the hydrogen electrode
  19. Studies on soil reaction IV The soil reaction of continuously manured plots at Rothamsted and Woburn
  20. Studies on soil reaction V The depth-distribution of reaction and flocculation in continuously manured soils
  21. Studies on soil reaction: VI. The interaction of acid soils, calcium carbonate and water, in relation to the determination of “lime requirements.”
  22. The relation between the vapour pressure and water content of soils
  23. Experiments on the control of wart disease of potatoes by soil treatment with particular reference to the use of sulphur
  24. Infection experiments with wart disease of potatoes Synchytrium endobioticum (schilb.) perc
  25. The relation between the development, structure and functioning of the nodules on Vicia faba as influenced by the presence or absence of boron in the nutrient medium
  26. Spraying for weed eradication
  27. Theory of statistical estimation
  28. The resemblance between twins, a statistical examination of Lauterbach's measurements
  29. Note on the numerical evaluation of a Bessel function derivative
  30. The influence of rainfall on the yield of wheat at Rothamsted