1. A neotype for Eucephalobus striatus (Bastian, 1865) Thorne, 1937 (Nematoda) and redescription of the species from topotypes and their progeny
  2. Stem Eelworm (Ditylenchus dipsaci), a Seed and Soil‐borne Pathogen of Field Beans (Vicia faba)
  3. Aphelenchoides Rutgersi N. Sp. (Nematoda: Aphelenchoidea), Description and Morphometrics, With Observations On a. Dactylocercus Hooper, 1958 and a. Cibolensis Riffle, 1970
  4. Root rot and wilt of field beans (Vicia faba)
  5. Internal data structures
  6. Relationships between soil and plant nutrient status in commercial tomato houses
  7. Nature and value of residual fertilizer nitrogen in soils
  8. The late Weichselian sequence in the Vale of York
  9. Stimuli Eliciting Mating Behaviour of Bumblebee (Bomb Us Pratoruml.) Males
  10. The effect of giving pollen and pollen supplement to honeybee colonies on the amount of pollen collected
  11. Interference between rows and between plants within rows of a wheat crop, and its effects on growth and yield of differently-spaced rows
  12. Isobutylidene diurea and other nitrogen fertilizers for seedlings and transplants ofPicea sitchensis in two English forest nurseries
  13. Carbohydrates in hay on self‐heating to ignition
  14. The measurement of arthropod numbers and activity by sampling with sweep-nets and traps
  15. The extraction from soil of small arthropods by the dry-funnel method
  16. The place of sample survey in crop loss estimation
  17. Genetical changes in Rhizobium bacteria and in their bacteriophages during coexistence
  18. Effects of amino acids on the reproduction of Heterodera rostochiensis
  19. Grain yield and incidence of take‐all (Ophiobolus graminis Sacc.) in wheat grown in different crop sequences
  20. Oxidative metabolism of pyrethrins in mammals
  21. Effects of soil fumigation on soil nitrogen and on disease incidence in winter wheat
  22. Interactions between Heterodera rostochiensis Woll. and Verticillium dahliae Kelb. on potatoes and the effect of CCC on both
  23. Defective Strains and Phenotypic Mixing
  24. Population changes and development of Meloidogyne naasi in the field
  25. Epidemiology and control of weevil-transmitted viruses in field beans
  26. Potassium for grassland : present use and future possibilities
  27. Value and valuation of fertilizer residues
  28. Fertiliser practice in England and Wales: a new series of surveys
  29. Factors defining spontaneous heating and ignition of hay
  30. Loess in the soils of north Norfolk
  31. Geochemistry, micropalaeontology and origin of the middle Lias ironstones in northeast Yorkshire (Great Britain)
  32. Postglacial soil formation in the loess of Pegwell bay, Kent (England)
  33. Oxidative metabolism of pyrethrins in mammals
  34. Disk electrophoresis of proteins of Heterodera species and pathotypes of Heterodera rostochiensis
  35. A comparison of soils on coal measures in SW Ireland and SE Wales
  36. Oxidative dimerisations of natural rethrolones and related compounds with manganese dioxide
  37. Effects of nitrogen fertilizer, plant population and irrigation on sugar beet: I. Yields
  38. Fertilizer requirements of sugar beet on peaty mineral and organic mineral soils
  39. The effects of soil fumigation and nitrogen fertilizers on nematodes and sugar beet in sandy soils
  40. Predicting the amount of nitrogen fertiliser needed for sugar‐beet by soil analysis
  41. Some effects of partial sterilization on mineral nitrogen in a light soil
  42. Prediction of the fertiliser needs of sugar‐beet grown on fen peat soils
  43. Effects of nitrogen fertilizer, plant population and irrigation on sugar beet: III. Water consumption
  44. An analysis of the effects of nutrient supply on the growth of potato crops
  45. Uptake of magnesium and other fertilizer elements by sugar beet grown on sandy soils
  46. Changes in sugar beet husbandry and some effects on pests and their damage
  47. Changes in organo‐chlorine usage on sugar beet, and progress in the replacement of dieldrin seed treatment
  48. Entomophthora infecting the cereal aphids Metapolophium dirhodum and Sitobion avenae
  49. Scanning electron microscopy of plant roots
  50. Organo‐mercury fungicide treatment of sugar‐beet seed
  51. Amino acid composition and In Vitro digestibility of some protein fractions from three species of leaves of various ages
  52. The site of action of pyrethrin I in the nervous system of the cockroach Periplaneta Americana
  53. The spread of topically‐applied pyrethrin I from the cuticle to the central nervous system of the cockroach Periplaneta americana
  54. Field-trials of anti-capsid insecticides on farmers' cocoa on Ghana, 1956-60. 2, Effects of different insecticides compared by counting capsid-counting compared with counting the percentage of newly damaged treses
  55. The petrography and origin of deposits filling solution pipes in the Chalk near South Mimms, Hertfordshire
  56. The soils of the Malham Tarn area
  57. Behaviour of Ophiobolus graminis on slides buried in soil in the presence or absence of wheat seedlings
  58. Uranium content of peaty soils rich in molybdenum and selenium from Co. Limerick, Eire
  59. The structure, composition and origin of the subcrystalline layer in some species of the genus Heterodera
  60. Pepper veinal mottle virus‐a new member of the potato virus Y group from peppers (Capsicum annuum L. and C. frutescens L.) in Ghana
  61. Viruses infecting cacao
  62. The relationship between soil phosphorus and response by sugar beet to phosphate fertilizer on mineral soils
  63. Residual phosphate experiments on experimental husbandry farms
  64. Migration records 1966 and 1967
  65. Resistance to organophosphorus insecticides in the SKA strain of houseflies (Musca domestica)
  66. Metabolism of 3‐chloro‐4‐methoxyaniline and some N‐acyl derivatives in soil
  67. O-2-acetyl-6-methyl-pyrimidin-4-yl o, o-diethyl phosphorothioate - a new degradation product diazinon
  68. The control of insect-transmitted viruses of cereals
  69. The mobilization of trace elements by aerobically decomposing plant material under simulated soil conditions
  70. Some obstacles to innovation
  71. Selection for increased nitrogen fixation in red clover
  72. Perspectives in biological nitrogen fixation
  73. Experiments on nitrogen fixation by nodulated lucerne
  74. Lunar cycles in the distribution and abundance of airborne insects in the equatorial highlands of East Africa
  75. Effects of plant density and nitrogen fertilizer on growth and yield of short varieties of wheat derived from Norin 10
  76. Fertilisers amd society - Seventh Francis new memorial lecture
  77. Thermoactinomyces sacchari sp.nov., a Thermophilic Actinomycete Causing Bagassosis
  78. The microbiology of moist barley storage in unsealed silos
  79. Endospore formation and germination in a new Thermoactinomyces species
  80. Fixation and electron microscopy of the Rothamsted culture of henbane mosaic virus
  81. European wheat striate mosaic disease in 1970
  82. Possible wind transport of coffee leaf rust across the Atlantic Ocean
  83. Bromine in wheat grown on soil fumigated with methyl bromide
  84. Quantity‐intensity relationships for labile sodium in field soils
  85. Effects of magnesium on cereals, potatoes and leys grown on the 'continuous cereals' site at Woburn
  86. Controlling soil pH with different N-fertilizers in experiments with ryegrass in pots
  87. The chloride balance in a fertiliser experiment on sandy soil
  88. The Behaviour of Plants in Various Gas Mixtures
  89. Comparison of Natural and Artificial Sources of Light
  90. Statistical methods of comparing different multivariate analyses of the same data
  91. Internal data structures
  92. A General Coefficient of Similarity and Some of Its Properties
  93. Inhibition of nitrification in soil by carbon disulphide from rubber bungs
  94. An Investigation on the Direct Effect of Dimethoate and Demeton-S-Methyl on the Yield and Quality of Field Beans
  95. Evaluation of phosphate fertilizers. III. Immediate and residual values of potassium metaphosphate and magnesium ammonium phosphate for potatoes, radishes, barley and ryegrass
  96. Residual value of phosphate fertilizers on neutral and calcareous soils
  97. Pathotypes in perspective
  98. The structure of the females of the round‐cyst nematodes
  99. Electrophoresis and morphometrics of the round-cyst nematodes
  100. The round-cyst species of Heterodera as a group
  101. Electrophoresis of protein from the different populations of the postato cyst nematode
  102. The distribution of eggs, larvae and plants within crops attacked by wheat bulb fly Leptohylemyia coarctata (Fall.)
  103. Potassium residues in soils from experiments at Rothamsted and Woburn
  104. Seed production of Agropyron epens (L.) Beauv in arable crops in England and Wales in 1969
  105. A preliminary study of the agronomic factors affecting the yield of extractable leaf protein
  106. Production and use of leaf protein
  107. Nematicides and the soil fauna
  108. The symptoms of attack by swede midge (Contarinia nasturtii) and effects on the yield of swedes
  109. Control of wireworms with organophosphorus and carbamate insecticides
  110. Wilks's criterion: A measure for comparing the value of general purpose soil classifications
  111. Honey-bee viruses
  112. Honey bee paralysis : retrospect and prospect : A lecture given to the Central Association of Bee-keepers on the 10th February 1971
  113. Potassium in soils under different cropping systems:1. Behaviour of K remaining in soils from classical and rotation experiments at Rothamsted and Woburn and evaluation of methods of measuring soil potassium
  114. Input/Output in statistical programming
  115. Statistical computing and computer languages
  116. Algorithm AS 43: Variable Format in Fortran
  117. The mating behaviour of the honeybee (Apis mellifera L.)
  118. Insecticidal activity of the pyrethrins and related compounds IV.—Essential features for insecticidal activity in chrysanthemates and related cyclopropane esters
  119. The pyrethrins and related compounds. Part XI. Synthesis of insecticidal esters of 4-hydroxycyclopent-2-enones (nor-rethrins)
  120. The pyrethrins and related compounds. Part XII. 5-Substituted 3-furoates and 3-thenoates, intermediates for synthesis of insecticidal esters
  121. The pyrethrins and related compounds. XIII. Insecticidal methyl‐, alkenyl and benzyl‐substituted furfuryl and furylmethyl chrysanthemates
  122. Statistics in Biology .2. - Bliss, C. I.
  123. Seeds of change - green revolution and development in 1970s - brown,lr
  124. Biosphere
  125. Basis of automatic classification - french - lerman,ic
  126. The algebraic basis of classical multivariate methods
  127. Some factors affecting the activities of dinitrophenol fungicides. II.—Use of g.l.c. partition data in studies of chemical structure/fungicidal activity against powdery mildew
  128. Fungicidal activity and chemical constitution. XVIII. The activity of 4-(1-cyclo-, 1-iso- and 1-n-propylalkyl)-2, 6-dinitrophenols against powdery mildews
  129. Studies on decomposition of c14 labelled organic matter in soil
  130. A comparison of liveweight gains of beef cattle with values predicted from energy intakes measured as starch equivalent or metabolisable energy
  131. The transport of potassium to ryegrass roots in soils with and without added potassium
  132. Potassium in soils under different cropping systems. 2. The effects of cropping systems on the retention by the soils of added K not used by crops