1. Changes in the Nutrient Reserves of the Rothamsted and Woburn Reference Experiment Soils
  2. Yields and N, P and K Contents of the Crops Grown in the Rothamsted Reference Experiment, 1956-70,
  3. Nutrient Concentrations of Healthy Seedlings and Transplants of Picea sitchensis and Other Conifers Grown in English Forest Nurseries
  4. Influence of Hive-Space Restriction on the Tendency of Honeybee Colonies to Rear Queens
  5. The effect of density on water retention properties of field soils
  6. Results from experiments with wheat and barley measuring the effects of paths on yield
  7. Resynthesis of multiple resistance to organophosphorus insecticides from strains with factors of resistance isolated from the SKA strain of house flies
  8. Recent advances in the study of the genetics of resistance in the housefly, Musca domestica
  9. Structures of organic complexes with alkali metal ions
  10. The effect of density on water retention properties of field soils
  11. An N-acylamino acid acylase from Nicotiana tabacum leaves
  12. Complexes of alkali-metal salts, including those of chelating anions, with four macrocyclic crown ethers
  13. Anionic hexafluoroacetylacetonato complexes of alkali and other metals and the crystal structure of dirubidium tris (hexafluoroacetylacetonato) sodate
  14. Synthesis and crystal structures of complexes between caesium thiocyanate and two isomeric macrocyclic crown polyethers, 6,7,9,10,17,18,20,21-octahydro-7R,9R,18S,20S-tetramethyldibenzo[b,k][1,4,7,10,13,16]hexaoxacyclo-octadecin (isomer F) and 6,7,9,10,17,18,20,21-octahydro-7R,9R,18R,20R-tetramethyldibenzo[b,k][1,4,7,10,13,16]-hexaoxacyclo-octadecin (isomer G)
  15. Advances in the study of vesicular-arbuscular mycorrhiza
  16. Aerial baiting to control leaf-cutting ants (Formicidae, Attini) in Trinidad. I. The bait, its production, and the effects of weathering on attractiveness and persistence of toxicants
  17. Banding nitrogen fertilizers in soil: principles and practice
  18. Growing sugar beet for seed in England
  19. Current trends in the development of baits against leaf-cutting ants
  20. Aerial baiting to control leaf-cutting ants (Formicidae, Attini) in Trinidad. II. Field application, nest mortality and the effect on other animals
  21. Microclimate Factors Affecting Evaporation and Transpiration
  22. Uptake and distribution of thiabendazole by seed potatoes
  23. Aerial baiting to control leaf-cutting ants (Formicidae, Attini) in Trinidad. III. Economic implications
  24. Banding nitrogen fertilizers in soil: principles and practice
  25. Crystal structures of complexes between alkali-metal salts and cyclic polyethers. Part VII. Complex formed between dibenzo-24-crown-8 (6,7,9,10,12,13,20,21,23,24,26,27-dodecahydrodibenzo[b,n]-1,4,7,10,13,16,19,22-octaoxacyclotetracosin) and two molecules of potassium isothiocyanate
  26. Variation in nutrient content of glasshouse soils
  27. Viruses of Colocasia esculenta and Xanthosoma saggitifolium
  28. Biochemical aspects of the conversion of inorganic nitrogen into plant protein
  29. The preparation of clay soils for determination of structure
  30. Pretreatment of cereal seeds before the use of insecticidal powders
  31. Quick estimation of dieldrin in fresh cotton‐leaf samples
  32. The insecticidal activity of diethyl and dimethyl analogues of azinphos, bromophos, carbophenothion and parathion on glass surfaces and in soil
  33. Acomparison of sticker performance against rainwashing of microcapsules on leaf surfaces
  34. Alkali-metal complexes. Part VII. Crystal and molecular structures of the o-nitrophenolatobis(1,10-phenanthroline) complexes of sodium and rubidium
  35. Crystal structure of thallium (I) L-ascorbate
  36. Nematodes
  37. A trappers's line
  38. Types of fertilizers used on farm crops in England and wales, 1962-70
  39. An assessment of the importance of some factors causing losses of lime from agricultural soils
  40. Current and future developments in pollination practice and research
  41. Allergenic and agricultural implications of airborne ascospore concentrations from a fungus, Didymella exitialis
  42. Genetics of resistance of pyrethroid‐selected houseflies, Musca domestica L.
  43. NRDC 143, a more stable pyrethroid
  44. The effect of phorate on nematode populations in wheat grown continuously on ploughed and unploughed soil
  45. The possibilities of polluting soil by fertilizers and the way they are used
  46. The present and future use of fertilisers on grassland
  47. It pays to treat pastures well
  48. Some aspects of the development of toxic baits for the control of leaf-cutting ants
  49. The seed-soil system
  50. Loess in Devon
  51. Soil surveys for integrated land use planning
  52. Lime requirements and the lime status of soils in England and Wales, 1963–68
  53. Sugar-beet nutrition
  54. Experiments to compare combine harvesters
  55. The purity of chloroplasts isolated in non-aqueous media
  56. The biochemical mechanisms of resistance to insecticides with especial reference to the housefly, Musca domestica and aphid, Myzus persicae
  57. A technique for applying small drops of insecticide solution to Myzus persicae (sulz.)
  58. Weather 1973
  59. Nitrogenase activity in the rhizosphere of Stachys sylvatica and some other dicotyledenous plants
  60. Rhizosphere associations between grasses and nitrogen-fixing bacteria: Effect of O2 on nitrogenase activity in the rhizosphere of Paspalum notatum
  61. Palaeosol features in Northern England
  62. Soil bacteriostasis limitation in growth of soil and rhizosphere bacteria
  63. The reactions of soluble aluminium with montmorillonite
  64. Solutions to problems of soil pollution by agricultural chemicals
  65. Cereal seed treatments: problems and progress
  66. Uptake of Sulphur and other Nutrients by Groundnuts (Arachis hypogaea) in Northern Nigeria
  67. Developments in field experimentation with fertilizers
  68. Migration records 1968
  69. Microbial metabolism of 4-chloroaniline
  70. A simple relationship between soil sorption of organic chemicals and their octanol/water partition coefficients
  71. Toxic metabolites of diazinon in sheep
  72. Some chemical properties of hydromorphic soils.
  73. Monitor surveying for migrant insect pests
  74. Actinomycetes in soils, composts and fodders
  75. The air spora of a Portuguese Cork Factory
  76. Migration of pests in the tropics
  77. Problems related to the transoceanic transport of insects, especially between the Amazon and Congo areas
  78. Total cations in the size‐fractions of some british and malayan soils and their release to H+‐resins
  79. A comparison of X‐ray fluorescence spectrometry and chemical methods for determining sulphur in plant material
  80. Stomatal factor in the water use and dry matter production by sorghum
  81. Classification problems
  82. Chemistry Department Rothamsted Experimental Station 1972
  83. Factors contributing towards the initiation of slug activity in the field
  84. The effects of ley arable systems of farming on soil potassium reserves - Report from potassium systems of grassland farming
  85. Biological aspects of the degradation and behaviour of pesticides in soil
  86. The pathogenicity of nodamura virus for insects
  87. Chemotherapy in the study of plant-parasitic nematodes
  88. The queen and the “spirit of the hive”
  89. Perception of the queen by workers in the honeybee colony
  90. Chemistry of the natural pyrethrins
  91. The pyrethrins and related compounds. XVII. Preparation of the insecticide bioresmethrin (5‐benzyl‐3‐furylmethyl (+)‐trans‐chrysanthemate) and related compounds labelled with deuterium or tritium on the furan ring
  92. Frederick Charles Bawden, 1908-1972
  93. Yield compensation in gappy potato crops and methods to measure effects of fungi pathogenic on seed tubers
  94. Washing sugar-beet seed
  95. Virus-like particles in take-all fungus, gaeumannomyces-graminis
  96. Virus-like particles in axenic cultures of puccinia-graminis-tritici
  97. Virus-like particles associated with 2 diseases of colocasia-esculenta (l) schott in Solomon-Islands
  98. Virus aggregates and pinwheels in plants infected with mite-transmitted ryegrass mosaic virus
  99. Variation in growth of seedlings and clones of agropyron-repens-(l)-beauv
  100. Treating potato ridges in spring with aldicarb, D‐D or dazomet to control potato cyst‐nematode, Heterodera rostochiensis, in sandy clay and peat loam soils
  101. Toxicity to foraging honeybees, apis-mellifera, of endosulfan, malathion and azinphos-methyl applied to flowering oil seed rape, brassica-napus
  102. Total cations in size-fractions of some British and malayan soils and their release to H+-resins
  103. Tocopherol egg production and migration by plusia-gamma
  104. Symbolic description of factorial models for analysis of variance
  105. Survival of entomophthora spp in mummified aphids at different temperatures and humidities
  106. Streptococcus faecalis, Bacillus alvei, and sacbrood virus in European foulbrood of the honey bee
  107. Statistical methods for the analysis of earnings data : with special application to salaries in Swedish industry /​ Anders Klevmarken
  108. Spicule structure in some heterodera spp
  109. Spermatogenesis and sperm ultrastructure in some cyst nematodes, Heterodera spp.
  110. Sources of magnesium for sugar-beet, potatoes and wheat grown on an acid sandy soil at Woburn, Beds
  111. Some effects of fertilizers and farm yard manure on organic phosphorus in soils
  112. Some aspects of hydrodynamic dispersion of solutes in porous materials
  113. Soils and fertilizers
  114. Soil classification in soil survey of England and Wales
  115. Soil and agricultural land classification in co londonderry - reappraisal
  116. Simple fluorescence staining of insect central nerve fibers with procion yellow
  117. Silica-gel as an insoluble carrier for preparation of selective chromatographic adsorbents - preparation of 8-hydroxyquinoline substituted silica-gel for chelation chromatography of some trace metals
  118. Significance of moonlight in photoperiodic responses of insects
  119. Significance of man-made sources of phosphorus - fertilizers and farming - phosphorus involved in agricultural systems and possibilities of its movement into natural water
  120. A self-powered portable insect suction sampler and its use to assess effects of azinphos methyl and endosulfan on blossom beetle populations on oil seed rape
  121. Seed-germination of agrostis-gigantea roth
  122. Seasonal changes in incubation time of Erysiphe graminis f.sp. hordei
  123. Results from experiments comparing aqueous and anhydrous ammonia with nitrochalk for grass cut for silage
  124. Response by sugar-beet to soil dressings and foliar sprays of manganese
  125. Residual and cumulative value of superphosphate in a 3-course rotation
  126. Relationship of age to first molar tooth development in a group of cross-bred steers
  127. Reactions of soluble aluminum with montmorillonite
  128. Reactions of ammonia with soil .1. Adsorption isotherms and calorimetric heats of adsorption of ammonia gas on homo-ionic soil
  129. PVX-Q an Infective Product of Potato Virus X and a Leaf o-Quinone
  130. Purification of plant extracts for ion-exchange chromatography of free amino-acids
  131. Pro-transfer-rna synthetase from phaseolus-aureus and delonix-regia
  132. Preservation and storage of leaf protein preparations
  133. Preparation of clay soils for determination of structure
  134. Preparation of biological-material for scanning electron-microscopy by critical-point drying from water miscible solvents
  135. Potent pyrethroid insecticides from modified cyclopropane acids
  136. Pollination of hybrid kale (brassica-oleraceae l)
  137. Plant-growth responses to vesicular-arbuscular mycorrhiza .5. Phosphate uptake by 3 plant species from p-deficient soils labeled with P-32
  138. Plant-growth responses to vesicular-arbuscular mycorrhiza .4. In soil given additional phosphate
  139. Physicochemical properties of 2 honeybee picornaviruses
  140. A photostable pyrethroid
  141. Pectolytic enzymes in inoculated and uninoculated red-clover seedlings
  142. Palaeosol features in northern England
  143. Organic-matter and nitrogen in soils of Rothamsted classical experiments
  144. Ochre formation in field drains in pyritic soils
  145. Observations on Longidorus-euonymus n-sp and Xiphinema-vuittenezi Luc et al 1964 (Nematoda: Sorylaimida) associated with spindle trees infected with euonymus mosaic-virus in Czechoslovakia
  146. Observations on assbt-iirb tour - from England
  147. Nitrifying bacteria in soils from Rothamsted classical fields and elsewhere
  148. Nematode-transmitted viruses of sugar-beet in England, 1965-1972
  149. Natural mortality of wheat-bulb fly larvae
  150. Natural mortality of wheat-bulb fly eggs in bare fallow soils
  151. An N-acylamino acid acylase from Nicotiana tabacum leaves
  152. Motion and skeleton in small nematodes
  153. Mobilization and fixation of molybdenum, vanadium, and uranium by decomposing plant matter
  154. Microbial populations and nitrogen in soil growing consecutive cereal crops infected with take-all
  155. Measuring nitrification and recovery of aqueous ammonia applied to grassland
  156. Manuring of potatoes on fen silt soils in holland, lincolnshire
  157. Manganese deficiency of sugar-beet in organic soils
  158. Mandibular gland secretion of larvae of stored products pests anagasta-kuehniella, ephestia-cautella, plodia-interpunctella and ephestia-elutella
  159. Low-altitude migration and diurnal flight periodicity - importance of plusia-gamma-l (lepidoptera-plusiidae)
  160. Longitudinal distribution of growth-substances in leaves of wheat (triticum-aestivum l)
  161. Light-trap and suction-trap catches of insects in Northern Gezira, Sudan, in season of southward movement of inter-tropical front
  162. Late-pliocene marine-formation at st erth, cornwall
  163. Latent roots and vectors of a symmetric matrix
  164. Isopycnic banding of strains of radish mosaic-virus in rubidium bromide solutions
  165. Irrigation as a practical means to control potato common scab (streptomyces-scabies) - final experiment and conclusions
  166. Intracellular microorganism associated with tissues of heterodera spp
  167. Interpreting structure formulae
  168. Interparticle forces and their modifications
  169. Influence of moonlight on catches of insects in light-traps in africa .2. Effect of moon phase on light-trap catches
  170. Influence of moonlight on catches of insects in light-traps in africa .1. Moon and moonlight
  171. Infection of cereal aphids by fungus entomophthora
  172. Indexing and display of soil survey data by means of feature-cards and boolean maps
  173. Incidence and prevalence
  174. Host range and overwintering sources of bean leaf roll and pea enation mosaic viruses in England
  175. Growth of crop roots in relation to soil-moisture extraction
  176. Growth and water absorption of wheat with parts of roots at different water potentials
  177. Growth and development of storage root of sugar-beet
  178. Green manuring for barley at Woburn
  179. Glasshouse tests of chemicals for control of potato common scab
  180. Genetic studies on factors affecting cross-resistance spectra in insecticide resistant insects
  181. Genetic determination of honeybee (apis-mellifera l) foraging preferences
  182. Genetic complementation between middle and bottom components of 2 strains of radish mosaic-virus
  183. Fortran techniques, with special reference to non-numerical applications - day,ac
  184. Foraging behavior of honeybees (apis-mellifera-l) on brussels sprout (brassica-oleracea l)
  185. Fluctuations in populations of wheat bulb fly (leptohylemyia-coarctata) at Rothamsted
  186. Factors influencing loss of nutrients in land drainage
  187. Exploration and selection of penetration site by tylenchida
  188. Egg-transport in genital-tract and egg-laying by aphelenchoides-blastophthorus
  189. Effects of skin spot (oospora-pustulans) on potatoes
  190. Effects of population-density on alienicolae of aphis-fabae scop .5. Variations in size, relative wing length and numbers of antennal sensoriums of field alatae
  191. Effects of population-density on alienicolae of aphis-fabae scop .4. Expression of migratory urge among alatae in field
  192. Effects of growth-regulators, seed rates and row spacings on field beans (Vicia faba L.)
  193. Effects of growing resistant potatoes with gene h1 from solanum-tuberosum ssp andigena on populations of heterodera-rostochiensis British pathotype-a
  194. Effects of d-d, telone or dazomet applied to potato ridges in spring on potato cyst-nematode, heterodera-rostochiensis, in sandy loam and silt loam soils
  195. Effects of dazomet and fertilizer nitrogen on field beans (Vicia faba L.)
  196. Effects of cereal extracts on attack on wheat by wheat bulb fly, leptohylemyia-coarctata
  197. Effects of black scurf (rhizoctonia-solani) on potatoes
  198. Effect of time of sowing and harvesting on growth, yield and nitrogen fertilizer requirement of sugar-beet I Yield and nitrogen uptake at harvest
  199. Effect of time of n application in a growth period on herbage production
  200. Effect of sodium on growth of water-stressed sugar-beet
  201. Effect of plant parasitic nematodes, rainfall and other factors on docking disorder of sugar-beet
  202. Effect of light and temperature late in season on growth of sugar-beet
  203. The effect of fungicides on incidence of Sporobolomyces spp. and Cladosporium spp. on flag leaves of winter wheat
  204. Dynamics of k and no3 concentrations in root zone of winter-wheat at Broadbalk using specific-ion electrodes
  205. Distribution of minor elements among components of a soil developed in loess
  206. Distribution of boron in a soil developed in loess in relation to weathering of glauconite
  207. Distribution of aphids in spring cereals
  208. Crystal-structures of complexes between alkali-metal salts and cyclic polyethers .6. Complex formed between dicyclohexyl-18-crown-6, isomer b, (perhydrodibenzo b,k 1,4,7,10,13,16 hexaoxacyclo-octadecin) and sodium bromide
  209. Crystal-structure of talc
  210. Crystal-structure of bromo tris(2-vinylphenyl)phosphine rhodium(i)
  211. Cowpea mild mottle, a newly recognized virus infecting cowpeas (vigna-unguiculata) in ghana
  212. Controlling early death of potatoes caused by heterodera-rostochiensis and verticillium-dahliae
  213. Control of sugar-beet docking disorder - trials comparing spring application of fumigants and aldicarb
  214. Control of potato cyst-nematode, heterodera-rostochiensis, in silt and peat loams by 10 pesticides applied to soil at planting time
  215. Control of potato cyst-nematode, heterodera-rostochiensis, in sandy, peaty and silt loam soils by dazomet and telone applied in different ways
  216. Control of potato cyst-nematode, heterodera-rostochiensis, in sandy loam, by du pont 1410 (s-methyl 1-(dimethylcarbamoyl)-n- (methylcarbamoyl) oxy thioformimidate) applied to soil at planting time
  217. Control of potato cyst-nematode, heterodera-rostochiensis, in 3 soils by small amounts of aldicarb, dupont 1410 or nemacur applied to soil at planting time
  218. Control of cyst-nematodes (heterodera spp) by organophosphates, oximecarbamates and soil fumigants
  219. Comparison of triglycerides from aphids and their cornicle secretions
  220. Comparison of growth and competition behavior of seedlings and plants from rhizomes of Agropyron-Repens (L) Beauv and Agrostis-Gigantea Roth
  221. Comparison of fortran subroutines for calculating latent roots and vectors
  222. Comparative transmission of bean leaf roll and pea enation mosaic viruses by aphids
  223. A comparative study of titrimetric and gravimetric methods for determination of organic carbon in soil
  224. Chloroplast pigments in plants with c4-dicarboxylic acid pathway of photosynthesis
  225. Chemistry of secretion from cornicles of various species of aphids
  226. Changes with age in distribution of copper and some copper-containing oxidases in red-clover (trifolium-pratense l cv dorset marlgrass)
  227. Changes in chloroplast pigments during preparation of leaf protein
  228. Cellulase in red-clover exudates
  229. Cause of variation in distribution of infestations of wheat bulb fly (leptohylemyia-coarctata) within fields
  230. Cation leaching from surface soil of some Broadbalk plots
  231. Breakdown and fate of oximecarbamate nematicides in crops and soils
  232. Bionomics of aphids reared on cereals and some gramineae
  233. Being right size
  234. Beet mosaic - declining disease in England
  235. An apparatus for the isolated propagation of foliar pathogens and their hosts
  236. Aphid colonization of spring cereals
  237. Anatomy and preliminary chemical-analysis of postpharyngeal glands of leaf-cutting ant, acromyrmex-octospinosus (reich) (hym, formicidae)
  238. Analysis of surveys on computers - features of Rothamsted survey program
  239. Aerial baiting to control leaf-cutting ants (formicidae, attini) in trinidad .1. Bait, its production, and effects of weathering on attractiveness and persistence of toxicants
  240. Activity of six fungicides against cereal foliage and root diseases
  241. A µ-dinitrogen complex with a long N–N bond. X-Ray crystal structure of [(PMe2Ph)4CIReN2MoCl4(OMe)]
  242. Studies in vitro and in vivo with powdery mildew fungicides
  243. The effect of a few days rain on the distribution of common scab Streptomyces scabies on younger potato tubers