1. Some obstacles to innovation
  2. Selection for increased nitrogen fixation in red clover
  3. Perspectives in biological nitrogen fixation
  4. Experiments on nitrogen fixation by nodulated lucerne
  5. Lunar cycles in the distribution and abundance of airborne insects in the equatorial highlands of East Africa
  6. Effects of plant density and nitrogen fertilizer on growth and yield of short varieties of wheat derived from Norin 10
  7. Fertilisers amd society - Seventh Francis new memorial lecture
  8. Thermoactinomyces sacchari sp.nov., a Thermophilic Actinomycete Causing Bagassosis
  9. The microbiology of moist barley storage in unsealed silos
  10. Endospore formation and germination in a new Thermoactinomyces species
  11. Fixation and electron microscopy of the Rothamsted culture of henbane mosaic virus
  12. European wheat striate mosaic disease in 1970
  13. Possible wind transport of coffee leaf rust across the Atlantic Ocean
  14. Bromine in wheat grown on soil fumigated with methyl bromide
  15. Quantity‐intensity relationships for labile sodium in field soils
  16. Effects of magnesium on cereals, potatoes and leys grown on the 'continuous cereals' site at Woburn
  17. Controlling soil pH with different N-fertilizers in experiments with ryegrass in pots
  18. The chloride balance in a fertiliser experiment on sandy soil
  19. The Behaviour of Plants in Various Gas Mixtures
  20. Comparison of Natural and Artificial Sources of Light
  21. Statistical methods of comparing different multivariate analyses of the same data
  22. Internal data structures
  23. A General Coefficient of Similarity and Some of Its Properties
  24. Inhibition of nitrification in soil by carbon disulphide from rubber bungs
  25. An Investigation on the Direct Effect of Dimethoate and Demeton-S-Methyl on the Yield and Quality of Field Beans
  26. Evaluation of phosphate fertilizers. III. Immediate and residual values of potassium metaphosphate and magnesium ammonium phosphate for potatoes, radishes, barley and ryegrass
  27. Residual value of phosphate fertilizers on neutral and calcareous soils
  28. Pathotypes in perspective
  29. The structure of the females of the round‐cyst nematodes
  30. Electrophoresis and morphometrics of the round-cyst nematodes
  31. The round-cyst species of Heterodera as a group
  32. Electrophoresis of protein from the different populations of the postato cyst nematode
  33. The distribution of eggs, larvae and plants within crops attacked by wheat bulb fly Leptohylemyia coarctata (Fall.)
  34. Potassium residues in soils from experiments at Rothamsted and Woburn
  35. Seed production of Agropyron epens (L.) Beauv in arable crops in England and Wales in 1969
  36. A preliminary study of the agronomic factors affecting the yield of extractable leaf protein
  37. Production and use of leaf protein
  38. Nematicides and the soil fauna
  39. The symptoms of attack by swede midge (Contarinia nasturtii) and effects on the yield of swedes
  40. Control of wireworms with organophosphorus and carbamate insecticides
  41. Wilks's criterion: A measure for comparing the value of general purpose soil classifications
  42. Honey-bee viruses
  43. Honey bee paralysis : retrospect and prospect : A lecture given to the Central Association of Bee-keepers on the 10th February 1971
  44. 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
  45. Input/Output in statistical programming
  46. Statistical computing and computer languages
  47. Algorithm AS 43: Variable Format in Fortran
  48. The mating behaviour of the honeybee (Apis mellifera L.)
  49. Insecticidal activity of the pyrethrins and related compounds IV.—Essential features for insecticidal activity in chrysanthemates and related cyclopropane esters
  50. The pyrethrins and related compounds. Part XI. Synthesis of insecticidal esters of 4-hydroxycyclopent-2-enones (nor-rethrins)
  51. The pyrethrins and related compounds. Part XII. 5-Substituted 3-furoates and 3-thenoates, intermediates for synthesis of insecticidal esters
  52. The pyrethrins and related compounds. XIII. Insecticidal methyl‐, alkenyl and benzyl‐substituted furfuryl and furylmethyl chrysanthemates
  53. Statistics in Biology .2. - Bliss, C. I.
  54. Seeds of change - green revolution and development in 1970s - brown,lr
  55. Biosphere
  56. Basis of automatic classification - french - lerman,ic
  57. The algebraic basis of classical multivariate methods
  58. 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
  59. Fungicidal activity and chemical constitution. XVIII. The activity of 4-(1-cyclo-, 1-iso- and 1-n-propylalkyl)-2, 6-dinitrophenols against powdery mildews
  60. Studies on decomposition of c14 labelled organic matter in soil
  61. A comparison of liveweight gains of beef cattle with values predicted from energy intakes measured as starch equivalent or metabolisable energy
  62. The transport of potassium to ryegrass roots in soils with and without added potassium
  63. 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