FIELD CROPS. 835 



the American ITpland varieties Triumph, Peterliin, Toole, Griffin, Blacli Rattler, 

 and Allen Improved Long Staple. 



Proceedings of the cotton production commission of the colonial agri- 

 cultural committee (Verhandl. Kolon. Wirtschaftl. Kom., 1911, No. 2, pp. OS, 

 pis. 3, figs. 2). — This report outlines the status of cotton enterprises in the 

 German colonies, reviews the cotton market and industry, and reports briefly 

 the proceedings of a convention of textile workers in Berlin. Separate chapters 

 deal with cotton substitutes, particularly kapok, and with estimates given by 

 commercial authorities of the value of samples of fiber crops in various 

 countries. 



Guar {Agr. Gaz. N. 8. Wales, 22 (1911), No. 11, p. 1000). ~A brief statement 

 of the results of rather unsuccessful tests of guar {Cyamopsis tetragonoloM) 

 at 3 different experimental farms. 



Trials of varieties of kale (Agr. Gas. N. S. Wales, 23 (1912), No. 1, pp. 

 36-38). — These pages state the results of tests of the yielding power and feed- 

 ing value for various animals of borecole, Chinese kale, chou moellier, and 

 other similar crops. The tests were conducted on 4 different farms. 



Report on field trials with varieties of mangels in 1909, T. Milburn {21id- 

 laml Agr. and Dairy Col. Bui. 3, 1909-10, pp. 27-39).— This is a report of a 

 variety test of mangels conducted in 1909, 8 varieties being tested in each of 7 

 localities. The methods followed are briefly stated and the data obtained pre- 

 sented by means of tables, which state both the total yields and the percentage 

 of dry matter. 



Field trials with, varieties of mangels in the year 1910, E. Harrison. {Mid- 

 land Agr. and Dairy Col. Bui. 5, 1910-11, pp. 27-3^, tabic i).— Results of the 

 sixth years' test of different varieties grown in each of 6 localities during 1910 

 are reported. 



Report on field trials on the manuring of mangels in the year 1910, 

 E. Harrison {Midland Agr. and Dairy Col. Bui. 4, 1910-11, pp. 23-26, table 1).— 

 This is a report of the results secured during the third year of fertilizer tests 

 with mangels, a 12-plat experiment being carried on in each of 3 localities. 

 The author regards the data as indicating clearly that a fertilizer mixture for 

 mangels must contain nitrogen, soluble phosphates, potash, and common salt. 

 The highest average profit followed the use of 180 lbs. of nitrate of soda at 

 thinning and 100 lbs. of sulphate of ammonia, 750 lbs. of phosphate, and 120 lbs. 

 of potash at seeding time. A March application of 21 cwt. of common salt is 

 recommended with the above mixture. 



Report on field trials on the manuring of mangels in 1908 and 1909, 

 J. F. Blackshaw {Midland Agr. and Dairy Col. Bui. 5, 1909-10, pp. 51-57). — 

 This is a report of the first 2 years' trials in the work noted above. 



Varieties of oats, C. C. Bedfordshire {Abs. in Jour. Bd. Agr. [London], 

 18 {1912), No. 10, p. 859). — The yields secured in 1911 and 5 previous years in 

 a variety test of oats are reported. A high percentage of grain was found 

 usually to accompany high weight. 



Pea variety trials, G. de S. Baylis {Jour. New Zeal. Dept. Agr., 4 {1912), 

 No. 1, pp. 43-45). — The results of fertilizer tests of peas on different soils 

 and a number of farms are given, together with notes on the varieties used. 



Electrical treatment of crops, Miss E. C. Dudgeon (Abs. in Jour. Bd. Agr. 

 [London^, 18 {1912), No. 10, pp. 862, 863).— This article reports the results of 

 work on 8 acres of potatoes in 1911. Electrical treatment was applied by means 

 of the Lodge-Newman high-tension discharge apparatus. The potatoes were 

 planted during the third w^eek in April and the discharge applied about 4 hours 

 per day from May 1 until August 18, or 413 hours in all. On dull days it was 



