Items where Year is 1925

Number of items: 64.
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  • A source of error in the mechanical analysis of sediments by continuous weighing. (1925) Coutts, J. R. H., Crowther, Edward Mortimer
  • The relation between the vapour pressure and water content of soils. (1925) Puri, A. N., Crowther, Edward Mortimer, Keen, Bernard Augustus picture_as_pdf
    • A
  • Note on the numerical evaluation of a Bessel function derivative. (1925) Ansell, P. R., Aylmer Fisher, Ronald
  • Applications of Student's distribution New tables for testing the significance of observations Expansion of student's integral in powers of n-1. (1925) Aylmer Fisher, Ronald
  • Statistical methods for research workers. (1925) Aylmer Fisher, Ronald
  • Statistical tests of agreement between observation and hypothesis. (1925) Aylmer Fisher, Ronald
  • Theory of statistical estimation. (1925) Aylmer Fisher, Ronald picture_as_pdf
  • The influence of rainfall on the yield of wheat at Rothamsted. (1925) Aylmer Fisher, Ronald
  • The resemblance between twins, a statistical examination of Lauterbach's measurements. (1925) Aylmer Fisher, Ronald picture_as_pdf
  • XI.—The Theory of the Mechanical Analysis of Sediments by means of the Automatic Balance. (1925) Aylmer Fisher, Ronald, Oden, S.
    • B
  • Spraying for weed eradication. (1925) Brenchley, Winifred Elsie
  • The relation between the development, structure and functioning of the nodules on Vicia faba as influenced by the presence or absence of boron in the nutrient medium. (1925) Brenchley, Winifred Elsie, Thornton, H. G.
    • C
  • Further experiments on the effect of removing the soluble humus from a soil on its productiveness. (1925) Crowther, Edward Mortimer picture_as_pdf
  • Some aspects of the Gezira soil problems (and analysis of the influence of rainfall on yield of cotton at the Gezira Research Farm). (1925) Crowther, Edward Mortimer
  • Studies on soil reaction III The determination of the hydrogenion concentration of soil suspensions by means of the hydrogen electrode. (1925) Crowther, Edward Mortimer picture_as_pdf
  • Studies on soil reaction IV The soil reaction of continuously manured plots at Rothamsted and Woburn. (1925) Crowther, Edward Mortimer picture_as_pdf
  • Studies on soil reaction V The depth-distribution of reaction and flocculation in continuously manured soils. (1925) Crowther, Edward Mortimer picture_as_pdf
  • The determination of lime requirements. (1925) Crowther, Edward Mortimer
  • A note on the availability of organic nitrogen compounds in pot experiments. (1925) Crowther, Edward Mortimer picture_as_pdf
  • The soils of tropical Africa. (1925) Crowther, Edward Mortimer
  • Studies on soil reaction: VI. The interaction of acid soils, calcium carbonate and water, in relation to the determination of “lime requirements.”. (1925) Crowther, Edward Mortimer, Martin, W. S. picture_as_pdf
  • The influence of washing upon the reproductive rate of Colpidium colpoda. (1925) Cutler, D. W., Crump, L. M.
    • D
  • Biological studies of Aphis Rumicis Linn. Factors affecting the infestation of Vicia faba with Aphis rumicis. (1925) Davidson, J.
  • The bean aphis. (1925) Davidson, J.
    • G
  • Infection experiments with wart disease of potatoes Synchytrium endobioticum (schilb.) perc. (1925) Glynne, Mary Dilys
    • H
  • A comparison of the radiation recorders at Rothamsted. (1925) Haines, W. B.
  • Studies in soil cultivation. II. A test of soil uniformity by means of dynamometer and plough. (1925) Haines, W. B., Keen, Bernard Augustus picture_as_pdf
  • Studies in soil cultivation. III. Measurements on the Rothamsted classical plots by means of dynamometer and plough. (1925) Haines, W. B., Keen, Bernard Augustus picture_as_pdf
  • Studies in the physical properties of soils: I. Mechanical properties concerned in cultivation. (1925) Haines, W. B. picture_as_pdf
  • Studies in the physical properties of soils: II. A note on the cohesion developed by capillary forces in an ideal soil. (1925) Haines, W. B. picture_as_pdf
  • Studies in the physical properties of soils: III. Observations on the electrical conductivity of soils. (1925) Haines, W. B. picture_as_pdf
    • I
  • Gout fly of barley. (1925) Imms, Augustus
    • K
  • Recent work at Rothamsted Experiment Station. (1925) Keen, Bernard Augustus
  • The border-line between meteorology and soil physics. (1925) Keen, Bernard Augustus
  • The physicisit in agriculture with special reference to soil problems. (1925) Keen, Bernard Augustus
  • The use of the dynamometer in soil cultivation studies and implement trials. (1925) Keen, Bernard Augustus
  • Studies in soil cultivation. I. The evolution of a reliable dynamometer technique for use in soil cultivation experiments. (1925) Keen, Bernard Augustus, Haines, W. B. picture_as_pdf
    • L
  • Second report on the influence of soil season and manuring on the quality and growth of barley as indicated by the malts made therefrom. (1925) Lancaster, H. M.
  • Third report on the influence of soil season and manuring on the quality and growth of barley of the 1924 crop as indicated by the malts made therefrom. (1925) Lancaster, H. M.
    • M
  • Note on the Wheat Bulb Fly (Leptohylemyia coarctata, Fall.). (1925) Morris, H. M.
    • P
  • Soils and fertilisers. (1925) Page, H. J.
  • Soil chemistry and plant biochemistry. (1925) Page, H. J.
  • The value of calcium cyanamide as a fertiliser. (1925) Page, H. J.
  • Studies on base exchange in Rothamsted soils. (1925) Page, H. J., Williams, W.
  • Some experiments on the interaction between soil and dilute acids. (1925) Puri, A. N. picture_as_pdf
  • A critical study of the hygroscopic coefficient of soil. (1925) Puri, A. N. picture_as_pdf
  • The dispersion of soil in water under various conditions. (1925) Puri, A. N., Keen, Bernard Augustus picture_as_pdf
    • R
  • On a labile blue compound from the potato tuber. (1925) Roach, W. A.
  • Experiments on the control of wart disease of potatoes by soil treatment with particular reference to the use of sulphur. (1925) Roach, W. A., Glynne, Mary Dilys, Brierley, W. B., Crowther, Edward Mortimer
  • A laboratory apparatus for the wet grinding of plant tissues out of contact with air. (1925) Roach, W. A. picture_as_pdf
  • Field experiments at Rothamsted during 1923 and 1924. (1925) Russell, E. J.
  • Third report on the experiments on the influence of soil, season, and manuring on the quality and growth of barley 1924. (1925) Russell, E. J.
  • A Three-Thousand Mile Journey up the Nile. (1925) Russell, E. J.
  • The place of science in rural life. (1925) Russell, E. J.
  • A visit to the Gezira. (1925) Russell, Sir Edward
    • S
  • Dephenolisation in soil II. (1925) Sen-Gupta, N. N. picture_as_pdf
    • T
  • Further experiments with sodium fluosilicate as an insecticide. (1925) Tattersfield, F., Gimingham, C. T.
  • Studies On Contact Insecticides Part I Introduction and methods II A quantitative examination of the toxicity of Tephrosia vogelii Hook. to Aphis rumicus. L. (the bean aphis). (1925) Tattersfield, F., Gimingham, C. T., Morris, H. M.
  • Studies On Contact Insecticides: Part III A Quantitative Examination Of The Insecticidal Action Of Tke Chlor‐, Nitro‐ And Hydroxyl Derivatives Of Benzene And Naphthalene. (1925) Tattersfield, F., Gimingham, C. T., Morris, H. M.
    • W
  • The chemistry of basic slag I The determination of fluorine in basic slag. (1925) Warren, R. G., Gimingham, C. T., Page, H. J. picture_as_pdf
  • Notes on insect migration in Egypt and the Near East. (1925) Williams, Carrington Bonsor
  • Some unsolved problems of butterfly migration. (1925) Williams, Carrington Bonsor
  • The migration of the Painted Lady Butterfly. (1925) Williams, Carrington Bonsor
  • The survival of pink boll worm larvae in buried seed. (1925) Williams, Carrington Bonsor, Bishara, I.