1968

  1. Field comparisons between compound and straight fertilisers for sugar beet
  2. Field experiments and increases in yield of crops
  3. Potassium reserves in British soils: II. Soils from different parent materials
  4. Potassium reserves in British soils. I. The Rothamsted Classical Experiments
  5. Localization of peroxidase activity in legume root nodules
  6. Laboratory experiments on sugar‐beet downy mildew (Peronospora farinosa)
  7. Effect of the situation of the aphid host at death on the type of spore produced by Entomophthora spp.
  8. The influence of penetration, distribution, sorption and decomposition on the poisoning of the cockroach Periplaneta americana treated topically with diazoxon
  9. Expansion of Leaf Area Per Plant in Field Bean (Vicia fabia L.) as Related to Daily Maximum Temperature
  10. Production of plant growth substances by Azotobacter chroococcum
  11. Herbage /tillage systems in England
  12. Effects Produced on Tomato Plants, Lycopersicum esculentum, by Seed or Root Treatment with Gibberellic Acid and Indol-3yl-Acetic Acid
  13. Movement of systemic insecticides through soil to plant roots
  14. A type of farming map based on agricultural census data
  15. Migration records 1965
  16. Exchange visits of scientists between the Academy of the Socialist Republic of Rumania and the Royal Society [Report O/6 (68)]
  17. Oil plams on acid sulphate soils in Malaya
  18. The effects of drying and ageing tree leaves on the ability of their aqueous extracts to dissolve ferric oxide
  19. Symbiotic effectiveness in nodulated red clover V The n and d factors for ineffectiveness
  20. The identification and classification of Rhizobium
  21. The pollination of oilseed rape (Brassica napus) and the behaviour of bees on the crop
  22. Effect of the time of day at which honeybee colonies are first allowed flight in a new location on their choice of flower species
  23. Use of plant protein concentrates as human food
  24. Factors affecting flight responses of alienicolae of Aphis fabae Scop. and Schizaphis graminum Rondani (Homoptera: Aphididae)
  25. High-altitude migration of aphids in maritime and continental climates
  26. The larger fungi of Rothamsted
  27. Implementing the possibilities
  28. The Microflora of Fodders Associated with Bovine Respiratory Disease
  29. The Thermophilic Actinomycetes in mouldy hay
  30. A titrimetric method for determining total sulphur in mineral soils
  31. Studies on the decomposition of plant material in soil. III. The distribution of labelled and unlabelled carbon in soil incubated with 14C labelled ryegrass
  32. A key to the recognition of some Endogone spore types
  33. The distribution of Endogone spores in some Australian and New Zealand soils, and in an experimental field soil at Rothamsted
  34. Chemical tests for potentially available nitrogen in soil
  35. Leaching of fertilizers applied to a latosol in lysimeters
  36. 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
  37. Algorithm AS 1: Simulating Multidimensional Arrays in One Dimension
  38. A method of assessing losses in spring oats from frit fly (Oscinella frit(L)) shoot attack
  39. 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
  40. Evaluation of phosphate fertilizers I. Immediate value of dicalcium phosphate, nitrophosphates, Gafsa rock phosphate, basic slag and potassium metaphosphate for barley and ryegrass
  41. Movement and oviposition of wheat bulb flies
  42. Distribution of pyrophosphate-extractable iron and organic carbon in soils of various groups
  43. A new apparatus for recording particle size distribution
  44. The effect on yield of maincrop potatoes of different methods of fertilizer application
  45. Leaf injury and food consumption by larvae of Phaedon cochleariae (Coleoptera; Chrysomelidae) and Plutella maculipennis (Lepidoptera plutellidae) feeding on turnip and radish
  46. Wheat bulb fly, Leptohylemyia coarctata Fall., and its effect on the growth and yield of wheat
  47. Population studies on the active stages of the black bean aphid, Aphis fabae Scop., on its winter host Euonymus europaeus L
  48. Cannibalism and predation by aphids
  49. Effects of insect predators on small populations of Aphis fabae in the field
  50. General soil classification: hierarchical and co-ordinate systems
  51. A versatile gas/liquid valve
  52. Broadbalk: Historical Introduction
  53. Some effects of chlorfenvinphos, an organophosphorus insecticide on populations of soil animals
  54. Serological and morphological studies on the inter- and intraspecific differences of the plant-parasitic nematodes Heterodera and Ditylenchus
  55. Clumping of the plant parasitic nematode Ditylenchus dipsaci in water
  56. Honey Bee Pathology
  57. The measurement and interrelationships of infections with Nosema apis and Malpighamoeba mellificae of honey-bee populations
  58. The multiplication of sacbrood virus in the adult honeybee
  59. Control of the greater and lesser wax moths (Galleria mellonella and Achroia grisella) with Bacillus thuringiensis
  60. The purification and properties of chronic bee-paralysis virus
  61. Experiments on the etiology of European foul brood of the honeybee
  62. The serological relationship between tobacco mosaic virus and cucumber viruses 3 and 4
  63. Algorithm AS 9: Construction of additive table
  64. Algorithm AS 8: Main effects from a multi-way table
  65. Patterns and progress of research
  66. Available and accessible water
  67. The inefficiency of world farming
  68. The Earth's potential
  69. Discussion of hamilton,ra
  70. Pheromones of the honeybee (Apis mellifera L.): the “inhibitory scent” of the queen
  71. Adding a point to vector diagrams in multivariate analysis