LIRVAK* 



BOTANICAL ABSTRACTS 



A monthly serial furnishing abstracts and citations of publications in the international field of 



botany in its broadest sense. 



UNDER THE DIRECTION OF 



THE BOARD OF CONTROL OF BOTANICAL ABSTRACTS, INC. 



Burton E. Livingston, Editor-in-Chief 

 The Johns Hopkins University, Baltimore, Maryland 



Vol. V AUGUST, 1920 No. 



ENTRIES 1-1085 



AGRONOMY 



C. V. Piper, Editor 

 Mary R. Burr, Assistant Editor 



1. Anonymous. Electricity in agriculture. Sci. Arner. Supplem. 88:269. 1919. 



2. Anonymous. The value of lupins in the cultivation of poor, light land. Sci. Amer. 

 Supplem. 88: 265. 1919. [Abstract of paper read by A. W. Oldershaw before Agricultural 

 Section, British Assoc. Adv. Sci. Reprinted, Ibid. 88: 321. 1919. 



3. Anonymous. Rispentypen des Hafers. [Types of oat panicles.] Illustrierte Landw. 

 Zeitg. 39: 87. Fig. 68-72. 1919.— This article is taken from the book entitled "Der Hafer" 

 by Adolph Zade: Jena, 1918. Five different types of panicles are described and illustrated: 

 1. Stiff or vertical panicle. 2. Loose or hanging panicle. 3. Bushy panicle. 4. Spreading 

 or open panicle. 5. Flag-shaped panicle. — John W. Roberts. 



4. Anonymous. Kartoffelanbauversuche in der Schweiz. [Potato culture experiments in 

 Switzerland.] Illustrierte Landw. Zeitg. 39: 97-98. 1919.— Two portions of a field were 

 planted to potatoes. In one portion the cut surface of the tubers was placed downward, in 

 the other it was placed upward. Each portion of the field was divided into four plats accord- 

 ing to the portion of the tuber used in planting: 1. "Kopfe." 2. Tubers cut into halves 

 longitudinally. 3. Entire tubers. 4. Eyes cut out from tubers. For each plat, the weight 

 of the seed potato, the total crop, and the proportion of weight of seed potato to weight of 

 yield are given. The position of the cut surface made no difference in the yield. There was 

 little difference in the yields from plats 1, 2. and 3; a good yield was had from all three. In 

 proportion to the weight of the material planted, the yield of plat 4 was the highest of all, 

 but the yield was not sufficient to make proper use of the ground. Experiments to determine 

 proper plant spacing are also given. — John W. Roberts. 



5. Anonymous. Seed importation act defined. Seed World. 6 12 :20. 1919. 



6. Anthony, Stephen, and Harry V. Harlan. Germination of barley pollen. Jour. 

 Agric. Res. 18: 525-536. PL 60-61. 1920.— See Bot. Absts. 5, Entry 919. 



7. Barber, C. A. The effect of salinity on the growth of sugar cane. International 

 Sugar Jour. 22: 17-18. 1920.— From experiments carried on at the cane breeding station at 

 Coimbatore it was found that common salt in the soil seriously affects the sprouting of sugar 

 canes; the color of the leaves is rarely good; and the growth is stunted. — E. Koch. 



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