Items where Year is 1950

Number of items: 103.
  • The nature of precipitated calcium phosphates. (1950) Arnold, P. W. picture_as_pdf
  • Amino-acids in soil. (1950) Bremner, J. M.
  • Some observations on the oxidation of soil organic matter in the presence of alkali. (1950) Bremner, J. M.
  • The amino-acid composition of the protein material in soil. (1950) Bremner, J. M.
  • The correlation of aphid numbers with the spread of leaf roll and rugose mosaic in potato crops. (1950) Broadbent, L.
  • The microclimate of the potato crop. (1950) Broadbent, L.
  • Roguing potato crops for virus diseases. (1950) Broadbent, L., Gregory, P. H., Tinsley, T. W.
  • The spread of virus diseases to single potato plants by winged aphids. (1950) Broadbent, L., Chaudhuri, R. P., Kapica, L.
  • Deposition of air-borne particles on trap surfaces. (1950) Gregory, P. H.
  • Electron micrographs of spores of some British gasteromycetes. (1950) Gregory, P. H., Nixon, H. L.
  • Solvation of clay minerals in relation to crystal structure: inter-lamellar adsorption by clay minerals. (1950) MacEwan, D. M. C.
  • The competition between barley and certain weeds under controlled conditions IV Competition with Stellaria media. (1950) Mann, H. H., Barnes, T. W.
  • The analysis of change-over trials. (1950) Patterson, H. D. picture_as_pdf
  • Sampling Theory of the Negative Binomial and Logarithmic Series Distributions. (1950) Anscombe, Frank (Francis John)
  • The identity of the Swede Midge, with notes on its biology. (1950) Barnes, Horace Francis picture_as_pdf
  • The need for biological investigations in the specific determination of gall midges. (1950) Barnes, Horace Francis picture_as_pdf
  • The formation of nitrates in soil following various crop rotations. (1950) Barnes, T. W. picture_as_pdf
  • Some effects of host nutrition on the susceptibility of plants to infection by certain viruses. (1950) Bawden, Frederick, Kassanis, Basil
  • Some effects of host-plant nutrition on the multiplication of viruses. (1950) Bawden, Frederick, Kassanis, Basil
  • The mechanical transmission and some properties of potato paracrinkle virus. (1950) Bawden, Frederick, Kassanis, Basil, Nixon, H. L.
  • Some effects of freezing in the leaf, and of citrate in vitro, on the infectivity of a tobacco necrosis virus. (1950) Bawden, Frederick, Pirie, Norman Wingate (Bill)
  • Some factors affecting the activation of virus preparations made from tobacco leaves infected with a tobacco necrosis virus. (1950) Bawden, Frederick, Pirie, Norman Wingate (Bill)
  • Some observation on gleying. (1950) Bloomfield, C.
  • The effect of potassium on crop yield. (1950) Boyd, D. A.
  • Maincrop potato growing in England and Wales. (1950) Boyd, D. A., Dyke, G. V.
  • Report of the Bee Department 1949. (1950) Butler, Colin Gasking
  • A new design of microsyringe tip for the instrumental insemination of queen honey-bees. (1950) Butler, Colin Gasking
  • Changes in the behaviour of honey-bees following their recovery from anaesthesia. (1950) Charles "Ronald" Ribbands picture_as_pdf
  • Studies on two aphid‐transmitted viruses of leguminous crops. (1950) Chaudhuri, R. P.
  • Methods of applying fertilizer to potatoes planted by machines. (1950) Cooke, George William
  • Experiments on the synthesis of the pyrethrins. Part III. Synthesis of dihydrocinerin-I and tetrahydropyrethrin-I; a study of the action of N-bromosuccinimide on 3-methyl-2-n-alkyl (and alkenyl)-cyclopent-2-en-1-ones. (1950) Crombie, L., Elliott, Michael, Harper, S. H.
  • Studies on the storage of potatoes II. The temperature conditions inside potato clamps. (1950) Crook, E. M., Watson, D. J.
  • Studies on the storage of potatoes. III. The composition of the atmosphere in a potato clamp. (1950) Crook, E. M., Watson, D. J.
  • Committee on nutrition problems in forest nurseries: summary report on 1949 experiments. (1950) Crowther, Edward Mortimer
  • Review of work on nutritional problems in forest nurseries. (1950) Crowther, Edward Mortimer
  • The analysis of phosphate fertilizers. (1950) Crowther, Edward Mortimer
  • Nitrogen fertilisers for sugar beet. (1950) Crowther, Edward Mortimer, Garner, H. V.
  • The influence of the bacterial environment on the excystment of amoebae from soil. (1950) Crump, L. M.
  • The estimation of free iron oxides in soils and clays and their removal. (1950) Deb, B. C.
  • The insecticidal activity of substances related to the pyrethrins .1. The toxicities of 2 synthetic pyrethrin-like esters relative to that of the natural pyrethrins and the significance of the results in the bioassay of closely related compounds. (1950) Elliott, Michael, Needham, P. H., Potter, C.
  • Buried Bag Technique for Testing D-D as a Soil Fumigant against the Potato-root Eelworm. (1950) Fenwick, D. W.
  • Investigations on the Emergence of Larvae from Cysts of the Potato-Root Eelworm Heterodera rostochiensis 2. The Form of the Hatching Curve. (1950) Fenwick, D. W. picture_as_pdf
  • Investigations on the Emergence of Larvae from Cysts of the Potato-Root Eelworm Heterodera rostochiensis. 3. Larval Emergence in soil under the influence of Potato-Root Diffusate. (1950) Fenwick, D. W. picture_as_pdf
  • Two species of Aphelenchoides associated with strawberry bud disease in Britain. (1950) Franklin, M. T.
  • Weather and Food - Centenary symposium on meteorology and the community. (1950) Gammie Ogg, Sir
  • Close cereal cropping. Effect of cultural treatments of wheat on eyespot, lodging, take-all and weeds. (1950) Glynne, Mary Dilys
  • Oats and varietal susceptibility to stem eelworm infestation. (1950) Goodey, Tom (Thomas)
  • Stem eelworm and clover. (1950) Goodey, Tom (Thomas)
  • The estimation of error in rectangular lattices. (1950) Grundy, P. M.
  • Restricted randomization and quasi-Latin squares. (1950) Grundy, P. M., Healy, Michael John Romer
  • The planning of probit assays. (1950) Healy, Michael John Romer
  • Statistical analysis of results for successive tests on the same organism. (1950) Healy, Michael John Romer, Leech, F. B.
  • A study of enzymes that can break down tobacco-leaf components. 1. Digestive juice of Helix on leaf fibre. (1950) Holden, M., Pirie, Norman Wingate (Bill), Tracey, M. V.
  • The Absorption of Ions by Excised Root Systems I Apparatus and preliminary experiments. (1950) Humphries, E. C.
  • Aphids aeronautics. (1950) Johnson, C. G.
  • Infestation of a bean field by aphis fabae scop. in relation to wind direction. (1950) Johnson, C. G.
  • The comparison of suction trap, sticky trap and tow-net for the quantitative sampling of small airborne insects. (1950) Johnson, C. G. picture_as_pdf
  • The dispersal of insects by wind. (1950) Johnson, C. G.
  • A suction trap for small airborne insects which automatically segregates the catch into successive hourly samples. (1950) Johnson, C. G.
  • The use of probits in combining percentage kills. (1950) Jolly, G. M.
  • Heat inactivation of leaf‐roll virus in potato tubers. (1950) Kassanis, Basil
  • The oxidation of manganese by peroxidase systems. (1950) Kenten, R. H., Mann, P. J. G.
  • A study of phage-resistant mutants of Rhizobium trifolii. (1950) Kleczkowska, J.
  • Interpreting relationships between the concentrations of plant viruses and numbers of local lesions. (1950) Kleczkowski, A
  • Restoration of the ability of some heated antisera to flocculate specifically their antigens. (1950) Kleczkowski, A. picture_as_pdf
  • An electron-microscope study of potato virus X in different states of aggregation. (1950) Kleczkowski, A., Nixon, H. L.
  • A Colour Reaction Applicable to the Pyrethrins. (1950) Lord, K. A.
  • The effect of insecticides on respiration II The effects of a number of insecticides on the oxygen uptake of adult Tribolium castaneum Hbst. at 25° C. (1950) Lord, K. A.
  • The effects of concentration of poison and the amount applied on the toxicity of insecticidal dusts to adult Tribolium castaneum Hbst. (1950) Lord, K. A.
  • Mechanism of action of organo-phosphorus compounds as insecticides. (1950) Lord, K. A., Potter, C.
  • The isolation of Nitrosomonas europaea in pure culture. (1950) Meiklejohn, J.
  • Gilbert Wooding Robinson 1889-1950 obituary. (1950) Muir, A.
  • Sampling on Successive Occasions with Partial Replacement of Units. (1950) Patterson, H. Desmond
  • Evaporation over the British Isles. (1950) Penman, Howard Latimer
  • The diffusion of moisture through flax seed. (1950) Penman, Howard Latimer
  • The water balance of the Stour catchment area. (1950) Penman, Howard Latimer
  • Control of plant nematodes. (1950) Peters, B. G.
  • Indications of provenance in some Anglesey drift soils. (1950) Pettersson, M.
  • The isolation from normal tobacco leaves of nucleoprotein with some similarity to plant viruses. (1950) Pirie, Norman Wingate (Bill)
  • An improved micro-method for the determination of fluorine based on an examination of the fluoride-fluosilicate equilibrium. (1950) Rickson, J. B.
  • The infection of plants by viruses through roots. (1950) Roberts, F. M.
  • Clay minerals and colloid chemistry - a general introduction. (1950) Schofield, R. K.
  • I Section of soil physics 113 Soil moisture and evaporation. (1950) Schofield, R. K.
  • A culture method for growing small free-living amoebae for the study of their nuclear division. (1950) Singh, B. N.
  • Preparation of Standardized Actinomycete Colonies. (1950) Skinner, F. A.
  • Swelling chlorite. (1950) Stephen, I., MacEwan, D. M. C.
  • Interlamellar adsorption of protein monolayers on pure montmorillonoid clays. (1950) Talibudeen, O.
  • Synchronous movement of Aphis fabae Scop.(Hem., Aphididae). (1950) Taylor, Roy
  • Problems presented by nodule bacteria and the legume host. (1950) Thornton, H. G.
  • Use of Antisera to identify Nodule produced by the Inoculation of Legumes in the Field. (1950) Thornton, H. G., Kleczkowski, J.
  • Cellulase from leaves and roots of tobacco. (1950) Tracey, M. V.
  • Organic chemistry 8 Proteins. (1950) Tracey, M. V.
  • A colorimetric method for the determination of pentoses in the presence of hexoses and uronic acids. (1950) Tracey, M. V.
  • The effect of variations in calcium supply, ph value and nitrogen content of nutrient solutions on the response of lettuce and red clover to molybdenum. (1950) Warington, Katherine
  • Inflammability of cereal crops in relation to water-content. (1950) Watson, D. J.
  • The structure and development of the larval cuticle of Diataraxia oleracea (Lepidoptera). (1950) Way, M. J.
  • The influence of photoperiod and temperature on the induction of diapause in Diataraxia oleracea L.(Lepidoptera). (1950) Way, M. J., Hopkins, B. A.
  • Diversity as a measurable character of an animal or plant population. (1950) Williams, Carrington Bonsor
  • The application of the logarithmic series to the frequency of occurrence of plant species in quadrats. (1950) Williams, Carrington Bonsor
  • Phase coloration in larvae of Lepidoptera. (1950) Williams, Carrington Bonsor, Long, D. B.
  • Field trials II: the analysis of covariance. (1950) Wishart, John
  • Agriculture, sampling and operational research. (1950) Yates, Frank
  • Recent applications of biometrical methods in genetics. 1. Experimental techniques in plant improvement. (1950) Yates, Frank