1. Oxidative metabolism of pyrethrins in mammals
  2. Effects of soil fumigation on soil nitrogen and on disease incidence in winter wheat
  3. Interactions between Heterodera rostochiensis Woll. and Verticillium dahliae Kelb. on potatoes and the effect of CCC on both
  4. Defective Strains and Phenotypic Mixing
  5. Population changes and development of Meloidogyne naasi in the field
  6. Epidemiology and control of weevil-transmitted viruses in field beans
  7. Potassium for grassland : present use and future possibilities
  8. Value and valuation of fertilizer residues
  9. Fertiliser practice in England and Wales: a new series of surveys
  10. Factors defining spontaneous heating and ignition of hay
  11. Loess in the soils of north Norfolk
  12. Geochemistry, micropalaeontology and origin of the middle Lias ironstones in northeast Yorkshire (Great Britain)
  13. Postglacial soil formation in the loess of Pegwell bay, Kent (England)
  14. Oxidative metabolism of pyrethrins in mammals
  15. Disk electrophoresis of proteins of Heterodera species and pathotypes of Heterodera rostochiensis
  16. A comparison of soils on coal measures in SW Ireland and SE Wales
  17. Oxidative dimerisations of natural rethrolones and related compounds with manganese dioxide
  18. Effects of nitrogen fertilizer, plant population and irrigation on sugar beet: I. Yields
  19. Fertilizer requirements of sugar beet on peaty mineral and organic mineral soils
  20. The effects of soil fumigation and nitrogen fertilizers on nematodes and sugar beet in sandy soils
  21. Predicting the amount of nitrogen fertiliser needed for sugar‐beet by soil analysis
  22. Some effects of partial sterilization on mineral nitrogen in a light soil
  23. Prediction of the fertiliser needs of sugar‐beet grown on fen peat soils
  24. Effects of nitrogen fertilizer, plant population and irrigation on sugar beet: III. Water consumption
  25. An analysis of the effects of nutrient supply on the growth of potato crops
  26. Uptake of magnesium and other fertilizer elements by sugar beet grown on sandy soils
  27. Changes in sugar beet husbandry and some effects on pests and their damage
  28. Changes in organo‐chlorine usage on sugar beet, and progress in the replacement of dieldrin seed treatment
  29. Entomophthora infecting the cereal aphids Metapolophium dirhodum and Sitobion avenae
  30. Scanning electron microscopy of plant roots
  31. Organo‐mercury fungicide treatment of sugar‐beet seed
  32. Amino acid composition and In Vitro digestibility of some protein fractions from three species of leaves of various ages
  33. The site of action of pyrethrin I in the nervous system of the cockroach Periplaneta Americana
  34. The spread of topically‐applied pyrethrin I from the cuticle to the central nervous system of the cockroach Periplaneta americana
  35. 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
  36. The petrography and origin of deposits filling solution pipes in the Chalk near South Mimms, Hertfordshire
  37. The soils of the Malham Tarn area
  38. Behaviour of Ophiobolus graminis on slides buried in soil in the presence or absence of wheat seedlings
  39. Uranium content of peaty soils rich in molybdenum and selenium from Co. Limerick, Eire
  40. The structure, composition and origin of the subcrystalline layer in some species of the genus Heterodera
  41. Pepper veinal mottle virus‐a new member of the potato virus Y group from peppers (Capsicum annuum L. and C. frutescens L.) in Ghana
  42. Viruses infecting cacao
  43. The relationship between soil phosphorus and response by sugar beet to phosphate fertilizer on mineral soils
  44. Residual phosphate experiments on experimental husbandry farms
  45. Migration records 1966 and 1967
  46. Resistance to organophosphorus insecticides in the SKA strain of houseflies (Musca domestica)
  47. Metabolism of 3‐chloro‐4‐methoxyaniline and some N‐acyl derivatives in soil
  48. O-2-acetyl-6-methyl-pyrimidin-4-yl o, o-diethyl phosphorothioate - a new degradation product diazinon
  49. The control of insect-transmitted viruses of cereals
  50. The mobilization of trace elements by aerobically decomposing plant material under simulated soil conditions
  51. Some obstacles to innovation
  52. Selection for increased nitrogen fixation in red clover
  53. Perspectives in biological nitrogen fixation
  54. Experiments on nitrogen fixation by nodulated lucerne
  55. Lunar cycles in the distribution and abundance of airborne insects in the equatorial highlands of East Africa
  56. Effects of plant density and nitrogen fertilizer on growth and yield of short varieties of wheat derived from Norin 10
  57. Fertilisers amd society - Seventh Francis new memorial lecture
  58. Thermoactinomyces sacchari sp.nov., a Thermophilic Actinomycete Causing Bagassosis
  59. The microbiology of moist barley storage in unsealed silos
  60. Endospore formation and germination in a new Thermoactinomyces species
  61. Fixation and electron microscopy of the Rothamsted culture of henbane mosaic virus
  62. European wheat striate mosaic disease in 1970
  63. Possible wind transport of coffee leaf rust across the Atlantic Ocean
  64. Bromine in wheat grown on soil fumigated with methyl bromide
  65. Quantity‐intensity relationships for labile sodium in field soils
  66. Effects of magnesium on cereals, potatoes and leys grown on the 'continuous cereals' site at Woburn
  67. Controlling soil pH with different N-fertilizers in experiments with ryegrass in pots
  68. The chloride balance in a fertiliser experiment on sandy soil
  69. The Behaviour of Plants in Various Gas Mixtures
  70. Comparison of Natural and Artificial Sources of Light
  71. Statistical methods of comparing different multivariate analyses of the same data
  72. Internal data structures
  73. A General Coefficient of Similarity and Some of Its Properties
  74. Inhibition of nitrification in soil by carbon disulphide from rubber bungs
  75. An Investigation on the Direct Effect of Dimethoate and Demeton-S-Methyl on the Yield and Quality of Field Beans
  76. Evaluation of phosphate fertilizers. III. Immediate and residual values of potassium metaphosphate and magnesium ammonium phosphate for potatoes, radishes, barley and ryegrass
  77. Residual value of phosphate fertilizers on neutral and calcareous soils
  78. Pathotypes in perspective
  79. The structure of the females of the round‐cyst nematodes
  80. Electrophoresis and morphometrics of the round-cyst nematodes
  81. The round-cyst species of Heterodera as a group
  82. Electrophoresis of protein from the different populations of the postato cyst nematode
  83. The distribution of eggs, larvae and plants within crops attacked by wheat bulb fly Leptohylemyia coarctata (Fall.)
  84. Potassium residues in soils from experiments at Rothamsted and Woburn
  85. Seed production of Agropyron epens (L.) Beauv in arable crops in England and Wales in 1969
  86. A preliminary study of the agronomic factors affecting the yield of extractable leaf protein
  87. Production and use of leaf protein
  88. Nematicides and the soil fauna
  89. The symptoms of attack by swede midge (Contarinia nasturtii) and effects on the yield of swedes
  90. Control of wireworms with organophosphorus and carbamate insecticides
  91. Wilks's criterion: A measure for comparing the value of general purpose soil classifications
  92. Honey-bee viruses
  93. Honey bee paralysis : retrospect and prospect : A lecture given to the Central Association of Bee-keepers on the 10th February 1971
  94. 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
  95. Input/Output in statistical programming
  96. Statistical computing and computer languages
  97. Algorithm AS 43: Variable Format in Fortran
  98. The mating behaviour of the honeybee (Apis mellifera L.)
  99. Insecticidal activity of the pyrethrins and related compounds IV.—Essential features for insecticidal activity in chrysanthemates and related cyclopropane esters
  100. The pyrethrins and related compounds. Part XI. Synthesis of insecticidal esters of 4-hydroxycyclopent-2-enones (nor-rethrins)
  101. The pyrethrins and related compounds. Part XII. 5-Substituted 3-furoates and 3-thenoates, intermediates for synthesis of insecticidal esters
  102. The pyrethrins and related compounds. XIII. Insecticidal methyl‐, alkenyl and benzyl‐substituted furfuryl and furylmethyl chrysanthemates
  103. Statistics in Biology .2. - Bliss, C. I.
  104. Seeds of change - green revolution and development in 1970s - brown,lr
  105. Biosphere
  106. Basis of automatic classification - french - lerman,ic
  107. The algebraic basis of classical multivariate methods
  108. 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
  109. Fungicidal activity and chemical constitution. XVIII. The activity of 4-(1-cyclo-, 1-iso- and 1-n-propylalkyl)-2, 6-dinitrophenols against powdery mildews
  110. Studies on decomposition of c14 labelled organic matter in soil
  111. A comparison of liveweight gains of beef cattle with values predicted from energy intakes measured as starch equivalent or metabolisable energy
  112. The transport of potassium to ryegrass roots in soils with and without added potassium
  113. 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