1969

  1. Effect of CCC on Eyespot (Cercosporella herpotrichoides) of Winter Whear
  2. Effect of paraflan wax on field control of potato blight by copper oxychloride
  3. Effects of spraying plants with suspensions of inert dusts
  4. Aerodynamic and surface factors in evaporation
  5. Effects of soil fumigation on disease incidence, growth, and yield of spring wheat
  6. Action spectrum for inactivation of the infectivity of potato virus X by U.V. radiation
  7. Spermatheca shape in Trophurus spp
  8. Pratylenchus pinguicaudatus n. sp.(Pratylenchinae: Nematoda) with a key to the genus Pratylenchus.
  9. Fertilizers in 2000 AD Phosphorus in agriculture
  10. Plant nutrient cycles
  11. Using chemicals to increase soil productivity
  12. Types of fertilizers used on farm crops in England and Wales, 1966
  13. Queen confinement, queen piping and swarming in Apis mellifera colonies
  14. The Pleistocene deposits of Holderness, East Yorkshire
  15. Age and insect fauna of the Dimlington Silts, East Yorkshire
  16. The mineralogy of Palaeogene sediments in northeast Kent (Great Britain)
  17. The absence of photoreversible pyrimidine dimers in the RNA of ultraviolet-irradiated tobacco mosaic virus
  18. Species and sex-specific compounds from the heads of male bumblebees (Bombus spp.)
  19. The scent gland complex of the adult cotton stainer bug, Dysdercus intermedius
  20. The morphology of the scent glands of Dysdercus intermedius Distant (Hemiptera: Pyrrhocoridae) and a preliminary analysis of the scent gland secretions of the fifth instar larvae
  21. The effect of farmyard manure on the fertilizer requirement of sugar beet
  22. The effects of magnesium fertilizers on yield and chemical composition of sugar beet
  23. Trials on the control of Docking disorder in sugar beet; seed and row treatment with nematicides
  24. Reduction of acetylene by nodules of Trifolium subterraneum as affected by root temperature, Rhizobium strain and host cultivar
  25. Peat Culture of Rhizobium trifolii: an Examination by Electron Microscopy
  26. Growth of Trifolium subterraneum L. Selected for Sparse and Abundant Nodulation as Affected by Root Temperature and Rhizobium Strain
  27. Entomophthora species attacking aphids in England, 1962–66
  28. Entomophthora species attacking aphids in England, 1962–66
  29. Effects of nitrogen and potassium fertilisers on contents of carbohydrates and free amino acids in Italian ryegrass I Effects on growth and soluble‐carbohydrate contents of leaves, stubble and roots
  30. Monarch butterflies coinciding with American passerines in Britain and Ireland in 1968
  31. Interference by cyanide with the measurements of papain hydrolysis
  32. Effect of storage and lipid extraction on the properties of leaf protein
  33. Interactions of Azotobacter with rhizosphere and root-surface microflora
  34. Zeolites of the elinoptilolite–heulandite type in sediments of South-East England
  35. Thin windows for flow proportional counters in x-ray fluorescence spectrometers
  36. Partial silicification of chalk fossils from the Chilterns
  37. The diminution of sulphur contamination of powder specimens in X-ray fluorescence analysis
  38. The determination of sulphur in soils by X-ray fluorescence analysis
  39. Delayed Exchange of Potassium from some Edges of Mica Flakes
  40. Conifer seedling pathology
  41. Diffusion of organophosphorus insecticides in soils
  42. Uptake of phosphorus and other nutrients by maize in western Nigeria
  43. Molecular Structure of Herbicides and their Sorption by Soils
  44. A laboratory‐scale pulper for leafy plant material
  45. A laboratory-scale press for extracting juice from leaf pulp
  46. Mobilisation and fixation of iron and trace elements by aerobically decomposing plant matter.
  47. The effect of organic matter on the determination of iron (II) in soils and rocks
  48. The Park Grass plots at Rothamsted (1856-1949)
  49. Food resources: conventional and novel
  50. Genetics of symbiosis and nitrogen fixation in legumes
  51. The Viruses [Chapter 11]
  52. The production and use of leaf protein
  53. Sampling for aphids by traps and by crop inspection
  54. Growth and yield of six short varieties of spring wheat derived from Norin 10 and of two European varieties
  55. Health hazards from mouldy fodder
  56. Complementary ways of meeting the world’s protein need
  57. Experiments with CCC on wheat: effects of spacing, nitrogen and irrigation
  58. Nutrition experiments on forest nurseries
  59. Viruses, vectors and vegetation [Book Review]
  60. Algorithm AS 18: Evaluation of Marginal Means
  61. Algorithm AS 19: Analysis of Variance for a Factorial Table
  62. A survey of numerical methods useful in taxonomy - mites
  63. Algorithm AS 23: Calculation of Effects
  64. The basis of numerical methods of classification
  65. Further Results on the Effects of Phorate on Losses of Sweet Corn (Zea mays L.) Caused by Frit Fly (Oscinella frit L.)
  66. An Experiment to Assess Losses Caused by Frit-fly (Oscinella frit L) Shoot Attack and the Application of Phorate in a Crop of Sweet Corn (Zea mays L)
  67. Soluble and slow-release PK-fertilizers for seedlings and transplants of Picea sitchensis and Picea abies in two English nurseries
  68. Problem of insecticidal residues in agricultural soils
  69. Problems of soil classification
  70. Portable counter with keyboard and probes
  71. The plant nutrients in crops grown on Broadbalk
  72. The soils of Broadbalk : Plant nutrients in Broadbalk soils
  73. Preservation of leaf protein preparations by air drying
  74. The influence of agricultural practice on soil macro-arthropod populations
  75. Soil pollutants and soil animals
  76. Effects of gamma irradiation on populations of soil invertebrates
  77. Aerial photography in Soil and Land Survey
  78. The multiplication regions and interaction of acute and chronic bee-paralysis viruses in adult honey bees
  79. The signs of adult bee diseases
  80. The multiplication and spread of sacbrood virus of bees
  81. Algorithm AS 20: The efficient formation of a triangular array with restricted storage for data
  82. A fifty-channel digital recorder for thermocouple psychrometers
  83. Some pheromones controlling honeybee behaviour
  84. Nest-entrance marking with pheromones by honeybee-Apis mellifera L and by a wasp Vespula Vulgaris L
  85. Pheromones of the honey bee - The secretion of the Nassanoff gland of the worker
  86. Minimum spanning trees and single linkage cluster analysis
  87. Condensation of ketones with dimethyl dimethylmaleate. A synthesis of calythrone
  88. Structural requirements for pyrethrin-like activity
  89. Pyrethrin 2 and related esters obtained by reconstitution
  90. Nuclear magnetic resonance spectra of natural pyrethrins and related compounds
  91. Insecticidal activity of pyrethrins and related compounds. 2. Relative toxicity of esters from optical and geometrical isomers of chrysanthemic, pyrethric and related acids and optical isomers of cinerolone and allethrolone
  92. The description of data structures for statistical computing
  93. Relationships of yields of maize and cotton, and the response to phosphate fertilizer, with soil phosphate potentials in Tanzania
  94. The buffering capacity of potassium reserves in soils