LIBRARY 



NEW VlM<K 



BOTANICAL 



UAKUfam 



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. VI OCTOBER, 1920 No. 1 



ENTRIES 1-473 



AGRONOMY 



C. V. Piper, Editor 

 Mary R. Burr, Assistant Editor 



1. Akerman, A. Nagot om resultaten av de senare arens lokala sortforsok. [Concerning 

 the results of local variety tests in recent years.] Sver. Utsiidesf. Tidskr. 29: 157-162. 1919. 



2. Altmannsberger, [— — ]. Qualitativ und quantitativ Steigerung der Ertrage im 

 Zuckerrubenbau durch Kalidiingung. [Qualitative and quantitative increase in the yield of 

 sugar beets by applying potash to the soil.] Illustr. Landw. Zeitg. 39: 463. 1919. — A brief, pop- 

 ular, article recommending potash as a fertilizer for sugar-beets. — John W . Roberts. 



3. Anonymous. Protection of potatoes from cold in transit — lining and loading cars. 

 U. S. Dept, Agric. Farmers' Bull. 1091. 27 p., 22 fig. 1920. 



4. Azzi, G. Der agrikultur-meterologiska problemet. [The agricultural-meteorological 

 problem.] Sver. Utsadesf. Tidskr. 29: 207-220. 1919.— Review of the problems confronting 

 agricultural meteorology, methods of attack, and the value of meteorology to agriculturists 

 and plant breeders. — E. G. Anderson. 



5. Bolin, Pehr. Pa resultat av lokala faltforsok grundade jamforelser mellan nagra sades- 

 sorter av storre betydelse. [On the result of local field test comparisons between some of the 

 more important varieties of grain.] K. Landtbr. Akad. Handl. och Tidskr. 58: 253-281. 1919. 

 — Compiled results of comparative yield tests of the more prominent varieties of rye, wheat, 

 oats, and peas. These tests were made under field conditions in various parts of Sweden, a 

 number of the tests extending over the period of years from 1912 to 1918. Summary tables 

 only are included. — E. G. Anderson. 



6. Breakwell, E. Popular description of grasses. The Chloris grasses. Agric. Gaz. 

 New South Wales 31: 309-314. Fig. 1-4. 1920.— Chloris truncata, C. acicularis and C. ven- 

 tricosa, native species, are described and illustrated. — L. R. Waldron. 



7. Briggs, Glen. Guam corn. Jour. Amer. Soc. Agron. 12: 149-157. 1920.— An his- 

 torical record and a general discussion of corn in the island of Guam. Introduction was made 

 from Mexico about 250 years ago. — F. M. Schertz. 



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BOTANICAL ABSTRACTS. VOL. VI. NO. 1 



