FIELD CROPS. 641 



An experiment on change of seed, W. Rimpau (Mitt. Dent. Lrmdw. GeselL, 

 16 {1901), No. lo, pp. 70-72'). — Probsteir oats from east Germany, where the period 

 of growth is short, was grown in middle Germany, where the season is longer. The 

 results show that the practice was unprofitable. 



Culture and selection experiments with potatoes, M. Fisciikr FiJJillnifs 

 Landw. Zt(j., 50 {1901), Xos. 9, p. SSI; 10, pp. SO 1-367) .—A test was made of different 

 sized tubers for seed in connection with different fertilizer applications. From the 

 result.^ ol)tained the autiior concludes that under ordinary conditions of culture and fei*- 

 tility large tubers should be used for seed, and on soils where these conditions are 

 less favorable smaller tubers with closer planting are recommendable. Where small 

 tubers are used, however, the author advises that they be taken from a crop grown 

 from large tubers on well-cultivated and fertilized land in order to prevent the 

 degeneration of the variety. On good soils with heavy fertilizer applications small 

 tubers and close planting are also recommended. 



The influence of whole tubers and cuttings and the position in which they 

 are planted on the yield of potatoes, G. Martinet (rVrroN. Ayr. Canton Vaud, 

 14 {1901), No. 10, pp. 267-276). — The results of experiments along these lines here 

 presented indicate that the use of whole tubers and sets was indifferent as to the 

 yield, and that placing the seed piece, whether a whole tuber or a set, with the 

 greater portion of the buds down was the preferable practice. 



Report on late potatoes at Chiswick, 1900 {Jour. Roy. Ilort. Soe. [London], 

 25 {1901), No. 3, pp. 37S-S80). — Short descriptions are given of 49 varieties of late 

 potatoes. 



Variety tests with potatoes, MtJLLER {Sachs. Landw. Ztschr., 49 {1901), No. 16, 

 pp. 317-319). — A report on a test of 14 varieties of potatoes. Silesia, a very late 

 variet}', produced the largest yield of tubers and starch. 



Artificial propagation of potatoes {Gard. Illus., 23 {1901), No. 1156, p. 136, 

 fig. 1) . — An article describing a method of intense propagation of the potato. 



Potato growing in central Illinois, J. H. Brown {Rural Neu: Yorker, 60 (1901), 

 No. 2673, pp. 285, 286, fig. 1). — A general article on the culture, care, and handling 

 of potatoes. 



Correlation and transmission of the form of the head and the color of the 

 grain in rye plants {Deut. Landv. Presse., 28 {190.'), No. 36, pp. 137, 138). — A 

 brief outline of the results of experiments which form the basis of an inaugural dis- 

 sertation. 



Ramie, P. A. Helguero {Bol. Soc. Nor. Agr. lLima'\,4. ser., 3 {1901), No. 11, pp. 

 635-fi46). — A lectm-e on ramie culture with special reference to Peru. 



The culture of ramie and other fiber plants in Japan, M. Schanz ( Tropen- 

 pflanzer, 5 {1901), No. 5, pp. 227-231) .—Brief descriptions of the culture of 11 differ- 

 ent fiber crops grown in Japan. 



Sisal, Trabut {Bid. Agr. Algerie et Tunme, 7 {1901), No. 9, pp. 193-204, figs. 7). — 

 This article treats of the sisal industry in different parts of the world and gives a 

 description of the sisal agave (^1. simliana) with directions for its culture in Algeria. 



Sugar beets, R. H. Forhes and W. W. Skinner {Arizona Sta. Rj)t. 1901, pp. 340, 

 341)- — A brief report is given of experimental sugar-beet culture in 1901. The work 

 was carried on at Pima and Safford, and the results obtained at l)oth places are given 

 in a table. The results show an average of 1.'148 per cent of sugar in the beets with 

 a purity of 81.9 and a yield per acre of 19.3 tons. These figures are equivalent to a 

 yield of 5,211 lbs. of sugar per acre. 



Sugar beets in alkali soil, H. C. Myers {Jour. Soc. Chem. Ind., 20 {1901), pp. 

 445-44S; abs. in .lour. Chem. Soc. [London], 90 {1901), No. 405, II, p. 4^8). — Analyses 

 of sugar beets grown on alkali soil at Hooper, Utah, as well as of the soils used, are 

 reported. The results show that beets of good quality may be grown on soils con- 

 taining amounts of alkali which prohibit the successful growth of most other crops. 



