1919] FIELD (^ROrS. 825 



The results secured with wheat are held to indicate that diversified fanning 

 is more protitablo than where the farmer depends upon wheat alone. Under 

 a system of mixed farming it is recommended that wheat be grown on disked 

 corn land rather than on fallowed land. Kubanka No. 8 durum and Marquis 

 Fife are regarded as the most dependable sorts for this region. Wheat proved 

 to be more profitable than oats, although the latter is better adapted for grow- 

 ing after small grains in the rotation. Medium early varieties of oats ar(> 

 deemed best. Barley failed to produce as high a money return as either 

 wheat or oats. Varieties of the two-rowed class of barley are regarded as best 

 adapted to this locality. The best average results with flax are thought to be 

 secured on virgin sod breaking, while plantings on brome grass breaking were 

 scarcely profitable. Satisfactory results were secured on disked corn stubble. 

 North Dakota No. 155 flax has given the best results. 



Northwestern Dent corn is said to be the best sort for general purposes, while 

 for hogging off Gehu and Dakota White flint were successfully grown. Spring 

 plowing is deemed preferable to fall plowing for corn, whilo data have been se- 

 cured which are held to indicate that cultivation to maintain a dust mulch 

 is of less importance than for the removal of weeds. 



The Elarly Ohio potato is regarded as the best general purpose sort, while 

 Irish Cobbler has also given good results. 



[Report of field crops work in Montserrat, 1917—1918], F. Watts {Imp. 

 Dept. A(ir. West Indies, Rpt. Agr. Dept, Montserrat, 1917-18, pp. 3-12, 15, 16, 

 19-28, 35-37, 38). — This describes the continuation of work previously noted 

 (E. S. R., 40, p. 228), embracing breeding, spinning, cultural, and fertilizer 

 tests with cotton ; variety tests with sugar cane ; observations on the utiliza- 

 tion of the ajowan plant (Carnm copticum) and of American horsemint 

 {Monarda punctata) as sources of thymol, and of Datura metel as a source of 

 scopolamine; notes on peas, beans, peanuts, svreet potatoes, and yams; and in- 

 formation relative to the cotton and sugar industries. 



[Report of field crops work at the St. Kitts-Nevis experiment stations, 

 1916-17 and 1917-18], F. Watts {hnp. Dept. Agr. West Indies, Rpt. Agr. 

 Dept. ^t. Kitts-Nevis, 1916-17, pp. 2-11, 13-16, 30-36, 37, 38; 1917-18, pp. 2-U, 

 16-18, 32-39, 40, 41, figs. 6). — ^These reports describe the progress of work con- 

 ducted along the same general lines as previously noted (E. S. R., 38, p. 33), 

 embracing variety and field tests with corn, yams, eddoes, beans, peas, sweet 

 potatoes, peanuts, cassava, and castor bean, and manurial and seed selection 

 tests with cotton. Information relative to the sugar and cotton industries is also 

 included. 



[The Woburn field exi^eriments, 1918], .1. A. Voelcker (Jour. Roy. Agr. 

 Sac. England. 79 (1918). pp. 263-276). — This describes the continuation of work 

 along the same general lines as previously noted (E. S. R., 40, p. 824). The 

 season of 1917-18 is said to have been rather unfavoral)le. 



The maximum yield in the continuous wheat experiments, 28.3 bu. of grain 

 and 2,447 lbs. of straw per acre, was secured from the plat receiving mineral 

 manures and sulphate of ammonia with one ton of lime applied in 1905. The 

 plat receiving rape dust equivalent to 25 lbs. of ammonia was next with 28.1 bu. 

 of grain and 2,777 lbs. of straw. The average yield for the untreated checks 

 amounted to 14 bu. of grain and 1,405 lbs. of straw. Mineral manures alone 

 produced 14.6 bu. of grain and 1,603 lbs. of straw. Nitrate of soda failed to 

 show any superiority over sulphate of ammonia, while farmyard manure was 

 slightly inferior to rape dust. Phosphates without potash produced 15.5 bu. 

 of grain and 1.418 lbs. of straw, while potash without phosphate produced 12.9 

 bu. of grain and 1,193 lbs. of straw. 



