FIELD CROPS. 233 



The improvement of corn in Pennsylvania, D. C. Wing (Penii. Dcpt. Agr. 

 Bui. 133. pp. 76, fnjs. is). — This bulletin is a general treatise on corn and its 

 culture. Special attention is given to the iiuproveinent of the crop with the hope 

 of producing lietter varieties and better yields in Pennsylvania. The results of 

 experiment station work have been largely drawn upon in its compilation. 



Eureka silage corn — its value for Massachusetts farmers, .T. K. Lindsey 

 and P. II. Smith ( M(i.'<-'«ic]iiiscfts Shi. U'jit. I'.Xi.',, pp. SC^H.i). — Eureka silage 

 corn, a late dent variety, was c()mi)ared with Sibley Pride of the North, a 

 medium dent maturing at the station. 



In 1903 and 1904 Eureka grew 11 to 13 ft. high and when cut September l"i 

 the ears were very immature and the whole plant contained about 6 per cent 

 more water, more ash and fiber, and less extract matter than Sibley Pride of the 

 North. The field-cur(Hl fodder of Eureka contained 09 per cent of water and" 

 that of Pride of the North only 38 per cent. The green and dry fodder of 

 Eureka were found to be (57 and 04 per cent digestible, respectively,, while 

 Pride of the North cut green was 71 per cent digestible. The Eureka produced 

 04 per cent of stalks and 7 per cent of ears and Pride of the North 47 per cent of 

 stalks and 22 per cent of ears. The yields of green fodder were 20 and 13 tons 

 per acre, respectively, for Eureka and Pride of the North, but in actual food 

 material produced the 2 varieties were nearly equal. 



Variety and distance tests of corn and cotton, B. W. Kilgore et al. {Bid. 

 A\ C. Dcpt. Agr., 21 {1906), No. 2, pp. 64). — A record is given of the year's work 

 on the North Carolina agricultural department test farms. 



The results of variety tests for the past 5 years show that Cocke Prolific is 

 a most substantial and reliable variety of corn and one of the best on the sandy 

 loam soils of the eastern part of the State. This variety from home-grown 

 seed ranked second in 1900, 1901, 1904, and first in 1902, 1903, and 1905 at the 

 Edgecombe farm. The data obtained at the different farms with all the vari- 

 eties varied considerably. Notes on the different varieties grown are given 

 and the sources of the seed used are listed. As indicated by an average of 5 

 years' results corn on the Edgecombe farm should be planted 4 by 3 ft., and on 

 the Iredell farm, as indicated by 3 years' results, 5 by 2 ft. 



Rus.sell Big Boll cotton, on an average for 6 years, has ranked first among a 

 raimber of varieties according to value of total crop, being followed by Cul- 

 pepper Improved and Peterkin Improved. The different varieties are noted, 

 and the sources of the seed used in 1905 are listed. The distance experiments 

 at the Edgecombe and Red Springs farms during the past 4 years favored a 

 spacing of 3^ ft. by 10 in. for the Edgecombe section and of about 4 ft. by 60 

 in. at Red Springs, while a three years' test at Iredell farm showed best results 

 from planting 4 ft. by 24 in. 



Cotton experiments, C. L. Newman {South Carolina Sta. Bui. 120, pp. 19). — 

 A number of fertilizer and variety tests with cotton are reported. 



In one series of fertilizer tests cow manure and stable manure, with and with- 

 out phosphoric acid and potash, and cotton-seed meal and hulls, with and with- 

 out phosphoric acid and potash, were compared. The fertilizing constituents, 

 from a chemical standpoint, were the same in quantity in the different appli- 

 cations. The largest yield of seed and lint per acre, being 004 and 3.32 lbs., 

 respectively, was secured on a plat receiving 2.960 lbs. of stable manure, 192 

 lbs. acid phosphate, and 99 lbs. kainit. The average yield of seed cotton from 

 the 2 plats receiving cow manure was 427 lbs. i)er acre, and from the plats fer- 

 tilized with cotton-seed meal and cotton-seed hulls 260 lbs. per acre, showing 

 that the meal and hulls after having served their purpose as a cow feed and 

 converted into a fertilizer produced an increase in yield of 64 per cent over 

 their direct application to the soil. 



