1948

  1. Ionic diffusion and electrical conductivity in sands and clays
  2. Methods of recording aphid populations for use in research on potato virus diseases
  3. Experiments on the Spread of Rugose Mosaic and Leaf Roll in Potato Crops in 1946
  4. Aphis migration and the efficiency of the trapping method
  5. The effects of serum and of hyaluronic acid derivatives on the action of hyaluronidase
  6. The preparation and some properties of hyaluronic acid from human umbilical cord
  7. Physiological studies on nodule formation: I. The relation between nodulation and lateral root formation in red clover
  8. The Validity of Comparative Experiments
  9. Limitation of Bacteria by Micro-Predators in Soil
  10. On Estimating the Population of Aphids in A Potato Field
  11. The Transformation of Poisson, Binomial and Negative-Binomial Data
  12. The effect of infection with tobacco-mosaic virus on the levels of nitrogen, phosphorus, protease, and pectase in tobacco leaves and on their response to fertilizers
  13. The effect of fertilizers on the levels of nitrogen, phosphorus, protease, and pectase in healthy tobacco leaves
  14. An alkali-producing mechanism in macerated leaves
  15. Development of ideas on the nature of viruses
  16. Equipment used for trapping and identifying alate aphides
  17. Experiments on the spread of potato virus X between plants in contact
  18. The manuring of potatoes
  19. Soils and fertilizers
  20. Soil and the farmer
  21. The role of fertilizers in the national economy
  22. Fertilizers during the war and after
  23. The toxic action of molybdenum in relation to soils and crops
  24. Suggestions for the control of wild oats
  25. Variations in the properties of potato virus x and their effects on its interactions with ribonuclease and proteolytic enzymes
  26. Studies on the importance and control of potato virus x
  27. Photosynthesis and predisposition of plants to infection with certain viruses
  28. Systematic sampling
  29. The analysis of contingency tables with groupings based on quantitative characters
  30. Physics in agriculture
  31. Total synthesis of some pyrethrins
  32. Natural evaporation from open water, bare soil and grass