234 EXPERIMENT STATION RECORD. 



Samar (Cyperus alopecuroides) as a reclamation crop, J. D. Shepherd {Agr. 

 Jour. Egypt, 2 (1912), No. 2, pp. 78-80, j)l. 1). — A method of growing this crop 

 (which is used to make mats, etc.) on land too wet for rice is described. 



Magnesia fertilizer for sugar beets, F. Strohmer and O. Fallada {Osterr. 

 Ungar. Ztschr. Zuckerincliis. u. Landw., 42 {1913), No. 2, pp. 221-231) .—The 

 results of fertilizing 3 plats with magnesium sulphate showed no variation in 

 total yield, sugar content, or chlorophyll content of the beet leaves, over 3 un- 

 treated plats that could be attributed to the magnesium salt, which was applied 

 at the rate of 150 kg. per hectare (133.5 lbs. per acre). A bibliography is 

 appended. 



Conditions of seed ball produced by stock beets of different sizes, T. Remy 

 Zent. Ver. Rii'bGnz. Indus. [Vienna^, 51 {1913), No. 7, pp. 116., ii7).— This article 

 gives the results of experiments in producing seed from whole beets and divided 

 beets (cuttings). It is noted that cuttings of from 100 to 150 gm. in weight, 

 standing 70 by SO cm. apart, produced as much seed as 10 times the same 

 weight of whole beets standing 1 meter each way. The seeds from the cuttings 

 seemed to have the same productive power as those from the whole beets. 



The influence of light on sugar formation of beets, F. Strohmee {Osterr. 

 Ungar. Ztschr. Zuckermdus. u. Landw., 42 {1913), No. 2, pp. 232-235; Wchnschr. 

 Zent. Ver. Riihenz. Indus. [Vienna'], 51 {1913), No. 7, pp. 116, 117).— This article 

 discusses further work (E. S. R., 28, p. 825) on the influence of light and shade 

 on sugar-beet development in general, and gives results of the author's investi- 

 gations. In these the percentage of sugar did not seem to change, but the total 

 yield was considerably greater in direct sunlight than in shadow, ranging from 

 80.1 to 72.1 gm. per beet in the former and from 34.1 to 25.6 gm. in the latter 

 case with 2 varieties. 



Variety tests of sugar cane, A. H. Rosenfeld and J. A. Hall {Rev. Indus, 

 ti Agr. Tucumdn, 3 {1913), No. 8, pp. 325-334)- — This article gives the results 

 of tests of over 70 varieties of cane in 1910-1912. in which the yields ranged 

 from 88 to 6,774 kg. of sugar per hectare (78 to 6,029 lbs. per acre). 



Tests in selection of sugar cane before planting, A. H. Rosenfeld {Rev. 

 Indus, y Agr. Tucumdn, 3 {1912), No. 1, pp. 1-5). — The methods of selection and 

 cultivation are described. Germination in the field showed a ratio of the 

 selected cane to the un selected of 153 : 44. The selected seed yielded 62,964 kg. 

 of cane, which produced 3,425 kg. sugar per hectare, as compared with 51,216 

 kg. cane yielding 1,975 kg. of sugar per hectare. It is also noted that only about 

 37 per cent of the crop from the selected seed was injured by worms, as com- 

 pared with 60 per cent of the unselected crop. 



Sugar-cane experiments in Antigua and St. Kitts, 1910—11, H. A. Tem- 

 PANY {Jour. Bd. Agr. Brit. Guiana, 6 {1912), No. 2, pp. 58-60).— Results of 

 variety and manurial tests are given. Nitrate of soda and sulphate of ammonia 

 at the rate of 40 and 60 lbs, per acre in a single application apparently increased 

 the yields, while phosphoric acid and potash gave no increase. 



The crops on the experimental sugar-cane fields, 1911, J. B. Harrison and 

 F. B. Stockdale {Jour. Bd. Agr. Brit. Guiana, 5 {1912), No. 4, pp. 212-230).— 

 In variety tests the yields ranged from 1.48 to 3.37 tons sugar per acre. In fer- 

 tilizer tests better results followed the application of about 300 lbs. per acre of 

 sulphate of ammonia than that of other fertilizers. 



Experiments in the cultivation of sugar cane in 1912 and 1913, R. E. 

 Blouin {Rev. Indus, y Agr. Tucumdn, 3 {1913), No. 10-11, pp. 418-//77).— This 

 article gives notes and data on varieties tested, methods of cultivation, the use 

 of fertilizer plus lime, selection, rotations, and distance in planting. 



