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  1. Studies of fluctuations in insect populations VI Discussion on results of studies I-V
  2. Studies of fluctuations in insect populations IV The Arabis midge, Dasyneura arabis (Cecidomyidae)
  3. Studies of fluctuations in insect populations V The Leaf-Curling Pear Midge, Dasyneura pyri (Cecidomyidae)
  4. Some new Coccid-eating Gall Midges (Cecidomyidae)
  5. Notes on the Timothy grass flies (Amaurosoma spp.)
  6. On the gall midges injurious to the cultivation of willows II The so-called shot hole gall midges - Rhabdophaga spp
  7. Soils and fertilisers
  8. X-Ray examination of the effect of removing non-cellulosic constituents from vegetable fibres
  9. Hemerobiidae and Chrysopidae (Neur) in a light trap at Rothamsted Experimental Station
  10. Further evidence for the migration of butterflies
  11. Butterfly immigrants in Britain
  12. A photographic moonlight recorder
  13. A mechanical insect trap
  14. Immigration of Insects into the British Isles
  15. The times of activity of certain nocturnal insects, chiefly lepidoptera, as indicated by a light-trap
  16. CP34Cyder
  17. CP35 How to make, clarify, and preserve cider
  18. Comparative trials of calcium cyanamide and other nitrogenous fertilizers on arable crops
  19. First report of the organic carbon committee - Appendix 1
  20. Rainfall and cotton yields in the Sudan Gezira
  21. Studies on calcium cyanamide V The utilisation of calcium cyanamide in pot culture experiments
  22. Incidence of take-all on wheat and barley on experimental plots at Woburn
  23. The influence of season and of the application of lime on the botanical composition of grassland herbage
  24. A note on the influence of rainfall on the yield of cereals in relation to manurial treatment
  25. Some examples of biased sampling
  26. The place of quantitative measurements on plant growth in agricultural meteorology and crop forecasting
  27. The estimation of the efficiency of sampling, with special reference to sampling for yield in cereal experiments
  28. Complex experiments
  29. Studies on the anaerobic decomposition of plant materials IV. The decomposition of plant substances of varying composition
  30. Studies on the anaerobic decomposition of plant materials III. Comparison of the course of decomposition of rice straw under anaerobic, aerobic, and partially aerobic conditions
  31. Studies on the anaerobic decomposition of plant materials II. Some factors influencing the anaerobic decomposition of rice straw
  32. Studies on the anaerobic decomposition of plant materials I. The anaerobic decomposition of rice straw
  33. Structure and oxidation of nitrogenous substances