Items where Year is 1947

Number of items: 72.
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  • An analysis of captures of Aphididae (Hemiptera) in a light trap. (1947) Broadbent, L.
  • Caddis flies. (1947) Heathcote, G. D.
  • The defence of aphids against predators and parasites. (1947) Heathcote, G. D.
  • The nomenclature of the halloysite minerals. (1947) MacEwan, D. M. C. picture_as_pdf
  • The competition between barley and certain weeds under controlled conditions II Competition with Holcus Mollis. (1947) Mann, H. H., Barnes, T. W.
  • Reports of the farm and field experiments on the Rothamsted Farm for the years 1939-1945. (1947) Moffatt, J. R.
    • A
  • Methods of Deferred Sentencing in Testing the Fraction Defective of a Continuous Output. (1947) Anscombe, Frank (Francis John), Godwin, H. J., Plackett, R. L.
    • B
  • Periodic fluctuations in the prevalence of the wheat blossom midges. (1947) Barnes, Horace Francis picture_as_pdf
  • Some properties of potato virus x in leaf extracts made in different ways. (1947) Bawden, Frederick, Crook, E. M. picture_as_pdf
  • Primula obconica, a carrier of tobacco necrosis viruses. (1947) Bawden, Frederick, Kassanis, Basil
  • The behaviour of some naturally occurring strains of potato virus y. (1947) Bawden, Frederick, Kassanis, Basil
  • The influence of light intensity on the susceptibility of plants to certain viruses. (1947) Bawden, Frederick, Roberts, F. M.
  • The determination of the factor for pyrethrin 1 in the mercury method. (1947) Bray, G. T., Harper, S. H., Lord, K. A., Major, F., Tresadern, F. H. picture_as_pdf
  • The essential nature of certain minor elements for plant nutrition. II. (1947) Brenchley, Winifred Elsie
  • On the ecology of beetles of the genus Agriotes with special reference to A. obscurus. (1947) Brian, M. V.
  • Report of the Bee Department 1946. (1947) Butler, Colin Gasking
  • Report of the Bee Department for the years 1939-1945. (1947) Butler, Colin Gasking
    • C
  • The influence of rainfall on the yield and botanical composition of permanent grass at Rothamsted. (1947) Cashen, R. O.
  • Fertilizer placement field work. (1947) Cooke, George William
  • Fertilizer experiments in colonial agriculture. (1947) Crowther, Edward Mortimer picture_as_pdf
  • Soils and fertilizers. (1947) Crowther, Edward Mortimer
  • The study of soil organic matter and organic manures by means of field experiments. (1947) Crowther, Edward Mortimer
  • The use of salt for sugar beet. (1947) Crowther, Edward Mortimer
    • D
  • The easily reducible manganese of soils. (1947) Dion, H. G., Mann, P. J. G., Heintze, S. G. picture_as_pdf
    • E
  • Differentiation of the Vegetative and Sporogenous Phases of the Actinomycetes: 1. The Lipid Nature of the Outer Wall of the Aerial Mycelium. (1947) Erikson, D.
  • Differentiation of the Vegetative and Sporogenous Phases of the Actinomycetes: 2. Factors affecting the Development of the Aerial Mycelium. (1947) Erikson, D.
  • LVII.—A method of studying the burrowing activities of earthworms. (1947) Evans, A. C.
  • XLVI.—On some earthworms from Iowa, including a description of a new species. (1947) Evans, A. C.
  • LIX.—Some notes on reproduction in British earthworms. (1947) Evans, A. C., Guild, W. J. McL.
  • LXV On the cocoons of some British Lumbricidae. (1947) Evans, A. C., Guild, W. J. McL.
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  • Rothamsted Experimental Station. (1947) Gammie Ogg, Sir
    • H
  • Mineral composition of leaflets in relation to the chlorosis and bronzing of oil palms in West Africa. (1947) Hale, J. B. picture_as_pdf
  • Annona species as insecticides. (1947) Harper, S. H., Potter, C., Gillham, E. M.
  • Soluble complexes of manganic manganese. (1947) Heintze, S. G. picture_as_pdf
  • Factors affecting the loss of yield of sugar beet caused by beet yellows virus. II. Nutrition and variety. (1947) Hull, R., Watson, Marion picture_as_pdf
    • J
  • Field tests on some anti-mosquito repellent creams against woodland species of Aedes in Britain. (1947) Johnson, C. G.
  • Lethane 384 on Clothing as a Mosquito Repellent. (1947) Johnson, C. G.
  • The Effect of Area Dosage, Solution Concentration and Drop Size of sprayed Solutions and Emulsions of DDT against Mosquito Larvae. (1947) Johnson, C. G., Walton, W. H.
    • K
  • Studies on dandelion yellow mosaic and other virus diseases of lettuce. (1947) Kassanis, Basil
  • Variations in the reaction of White Burley tobacco to the tomato aucuba mosaic virus and to some other strains of tobacco mosaic virus. (1947) Kassanis, Basil, Selman, I. W.
  • Recent developments in the design of field experiments. IV. Lattice squares with split plots. (1947) Kempthorne, Oscar picture_as_pdf
  • A note on differential responses in blocks. (1947) Kempthorne, Oscar picture_as_pdf
  • A simple approach to confounding and fractional replication in factorial experiments. (1947) Kempthorne, Oscar
    • L
  • A simple automatic percolator. (1947) Lees, H. picture_as_pdf
  • The production of dermatitis by pyrethrum and attempts to produce a non-irritant extract. (1947) Lord, K. A., Johnson, C. G.
    • M
  • A dipping apparatus for estimating the toxicity of insecticides in liquid media. (1947) Mcintosh, A. H.
  • Some recent developments in soil survey and pedology. (1947) Muir, A.
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  • Protective antigens isolated from Br. Arbotus. (1947) Paterson, J. S., Pirie, Norman Wingate (Bill), Stableforth, A. W.
  • Evaporation in nature. (1947) Penman, Howard Latimer
  • Future developments in agricultural meteorology. (1947) Penman, Howard Latimer
  • A laboratory comparison of the toxicity as a contact poison of DDT with nicotine, derris products and the pyrethrins. (1947) Potter, C., Tattersfield, F., Gillham, E. M.
    • Q
  • A Large-Sample Test for the Goodness of Fit of Autoregressive Schemes. (1947) Quenouille, Maurice H.
    • S
  • Calculation of surface areas from measurements of negative adsorption. (1947) Schofield, R. K.
  • Some problems connected with the retention of ions by clay constituents. (1947) Schofield, R. K.
  • The electric charge on soil particles. (1947) Schofield, R. K.
  • The measurement of evaporation. (1947) Schofield, R. K.
  • A ratio low governing the equilibrium of cations in the soil solution. (1947) Schofield, R. K.
  • The significance of particle size in relation to soils. (1947) Schofield, R. K., Russell, Edward Walter
  • Myxobacteria in soils and composts; their distribution, number and lytic action on bacteria. (1947) Singh, B. N.
  • Studies on Soil Acrasieae: 1. Distribution of species of Dictyostelium in soils of Great Britain and the effect of bacteria on their development. (1947) Singh, B. N.
  • Studies on Soil Acrasieae: 2. The Active Life of Species of Dictyostelium in Soil and the Influence thereon of Soil Moisture and Bacterial Food. (1947) Singh, B. N.
    • T
  • The Effect of Medium on the Toxicity of DDT to Aphids. (1947) Tattersfield, F., Potter, C., Gillham, E. M.
    • W
  • Comparative Physiological Studies on the Growth of Field Crops: I. Variation in Net Assimilation Rate and Leaf Area between Species and Varieties, and within and between Years. (1947) Watson, D. J.
  • Comparative physiological studies on the growth of field crops: II. The effect of varying nutrient supply on net assimilation rate and leaf area. (1947) Watson, D. J.
  • The field of research in preventive entomology. (1947) Williams, Carrington Bonsor
  • The generic relations of species in small ecological communities. (1947) Williams, Carrington Bonsor
  • The logarithmic series and its application to biological problems. (1947) Williams, Carrington Bonsor
  • The logarithmic series and the comparison of island floras. (1947) Williams, Carrington Bonsor
    • Y
  • Analysis of data from all possible reciprocal crosses between a set of parental lines. (1947) Yates, Frank
  • Technique of the analysis of variance. (1947) Yates, Frank
  • The place of statistics in agricultural research. (1947) Yates, Frank