1968

  1. The effects of drying and ageing tree leaves on the ability of their aqueous extracts to dissolve ferric oxide
  2. Symbiotic effectiveness in nodulated red clover V The n and d factors for ineffectiveness
  3. The identification and classification of Rhizobium
  4. The pollination of oilseed rape (Brassica napus) and the behaviour of bees on the crop
  5. Effect of the time of day at which honeybee colonies are first allowed flight in a new location on their choice of flower species
  6. Use of plant protein concentrates as human food
  7. Factors affecting flight responses of alienicolae of Aphis fabae Scop. and Schizaphis graminum Rondani (Homoptera: Aphididae)
  8. High-altitude migration of aphids in maritime and continental climates
  9. The larger fungi of Rothamsted
  10. Implementing the possibilities
  11. The Microflora of Fodders Associated with Bovine Respiratory Disease
  12. The Thermophilic Actinomycetes in mouldy hay
  13. A titrimetric method for determining total sulphur in mineral soils
  14. Studies on the decomposition of plant material in soil. III. The distribution of labelled and unlabelled carbon in soil incubated with 14C labelled ryegrass
  15. A key to the recognition of some Endogone spore types
  16. The distribution of Endogone spores in some Australian and New Zealand soils, and in an experimental field soil at Rothamsted
  17. Chemical tests for potentially available nitrogen in soil
  18. Leaching of fertilizers applied to a latosol in lysimeters
  19. The effects of potassium and magnesium fertilizers on yield and composition of successive crops of ryegrass, clover, sugar beet, potatoes, kale and barley on sandy soil at Woburn
  20. Algorithm AS 1: Simulating Multidimensional Arrays in One Dimension
  21. A method of assessing losses in spring oats from frit fly (Oscinella frit(L)) shoot attack
  22. Evaluation of phosphate fertilizers II Residual value of nitrophosphates, Gafsa rock phosphate, basic slag and potassium metaphosphate for potatoes, barley and swedes grown in rotation, with special reference to changes in soil phosphorus status
  23. Evaluation of phosphate fertilizers I. Immediate value of dicalcium phosphate, nitrophosphates, Gafsa rock phosphate, basic slag and potassium metaphosphate for barley and ryegrass
  24. Movement and oviposition of wheat bulb flies
  25. Distribution of pyrophosphate-extractable iron and organic carbon in soils of various groups
  26. A new apparatus for recording particle size distribution
  27. The effect on yield of maincrop potatoes of different methods of fertilizer application
  28. Leaf injury and food consumption by larvae of Phaedon cochleariae (Coleoptera; Chrysomelidae) and Plutella maculipennis (Lepidoptera plutellidae) feeding on turnip and radish
  29. Wheat bulb fly, Leptohylemyia coarctata Fall., and its effect on the growth and yield of wheat
  30. Population studies on the active stages of the black bean aphid, Aphis fabae Scop., on its winter host Euonymus europaeus L
  31. Cannibalism and predation by aphids
  32. Effects of insect predators on small populations of Aphis fabae in the field
  33. General soil classification: hierarchical and co-ordinate systems
  34. A versatile gas/liquid valve
  35. Broadbalk: Historical Introduction
  36. Some effects of chlorfenvinphos, an organophosphorus insecticide on populations of soil animals
  37. Serological and morphological studies on the inter- and intraspecific differences of the plant-parasitic nematodes Heterodera and Ditylenchus
  38. Clumping of the plant parasitic nematode Ditylenchus dipsaci in water
  39. Honey Bee Pathology
  40. The measurement and interrelationships of infections with Nosema apis and Malpighamoeba mellificae of honey-bee populations
  41. The multiplication of sacbrood virus in the adult honeybee
  42. Control of the greater and lesser wax moths (Galleria mellonella and Achroia grisella) with Bacillus thuringiensis
  43. The purification and properties of chronic bee-paralysis virus
  44. Experiments on the etiology of European foul brood of the honeybee
  45. The serological relationship between tobacco mosaic virus and cucumber viruses 3 and 4
  46. Algorithm AS 9: Construction of additive table
  47. Algorithm AS 8: Main effects from a multi-way table
  48. Patterns and progress of research
  49. Available and accessible water
  50. The inefficiency of world farming
  51. The Earth's potential
  52. Discussion of hamilton,ra
  53. Pheromones of the honeybee (Apis mellifera L.): the “inhibitory scent” of the queen
  54. Adding a point to vector diagrams in multivariate analysis