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Volume 31 Issue 9, September 1939



    • Morris E. Paddick and Howard B. Sprague
      Maize Seed Characters in Relation to Hybrid Vigor
      doi:10.2134/agronj1939.00021962003100090001x
      Agronomy Journal 1939 31:743-750
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    • A. G. Norman
      Biochemical Approach to Grass Problems
      doi:10.2134/agronj1939.00021962003100090002x
      Agronomy Journal 1939 31:751-760
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    • M. Puffeles
      The Influence of Exchangeable Ions and Neutral Salts on the pH of Soils
      doi:10.2134/agronj1939.00021962003100090003x
      Agronomy Journal 1939 31:761-766
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    • Morgan W. Evans and James M. Watkins
      The Growth of Kentucky Bluegrass and of Canada Bluegrass in Late Spring and in Autumn as Affected by the Length of Day
      doi:10.2134/agronj1939.00021962003100090004x
      Agronomy Journal 1939 31:767-774
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    • J. W. Taylor, B. B. Bayles and Colburn C. Fifield
      A Simple Measure of Kernel Hardness in Wheat
      doi:10.2134/agronj1939.00021962003100090005x
      Agronomy Journal 1939 31:775-784
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    • K. S. Quisenberry and B. B. Bayles
      Growth Habit of Some Winter Wheat Varieties and its Relation to Winterhardiness and Earliness
      doi:10.2134/agronj1939.00021962003100090006x
      Agronomy Journal 1939 31:785-789
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    • S. C. Hildebrand and C. M. Harrison
      The Effect of Height and Frequency of Cutting Alfalfa upon Consequent Top Growth and Root Development
      doi:10.2134/agronj1939.00021962003100090007x
      Agronomy Journal 1939 31:790-799
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    • David F. Costello and Graydon E. Klipple
      Sampling Intensity in Vegetation Surveys Made by the Square-Foot Density Method
      doi:10.2134/agronj1939.00021962003100090008x
      Agronomy Journal 1939 31:800-810
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    • Franklin A. Coffman
      Heat Resistance in Oat Varieties
      doi:10.2134/agronj1939.00021962003100090009x
      Agronomy Journal 1939 31:811-817
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    • Ralph W. Smith
      Grasshopper Injury in Relation to Stem Rust in Spring Wheat Varieties
      doi:10.2134/agronj1939.00021962003100090010x
      Agronomy Journal 1939 31:818-820
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    • No Change in Date of Annual Meetings
      doi:10.2134/agronj1939.00021962003100090012x
      Agronomy Journal 1939 31:822-822
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    • Volume 1 of Proceedings Reprinted
      doi:10.2134/agronj1939.00021962003100090013x
      Agronomy Journal 1939 31:822-822
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    • H. O. Hill
      Harvesting Buffalo Grass Seed for Individual Use
      doi:10.2134/agronj1939.00021962003100090011x
      Agronomy Journal 1939 31:NP-NP
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