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