FIELD CROPS. lOHS 



usual iiietluxl iilat [irodi.ccd a Itiishel of corn on {'^.2^* stalks and tlio Williamson 

 plan i)lat a hushcl on IHS.") stalks. 



Corn breeding in Alabama, E. M. Wilcox (Alahania Col. Htu. Bui. / }J, /;p. 

 2Jh pis. 7). — The importance and value of corn breeding, the methods to bo em- 

 ployed, and the most important practical results secured are discussed. 



The averajio yield of Mosby Proliflc obtained in breeding experiments by the 

 station in ]!t(»ri, as compared with the average yield secured in the same line of 

 work in T.tOT, shows an increase in yield during this ])eriod of 1!>.(» per cent. 

 Seed of this variety taken from the breeding plat of litOH and grown by live 

 dift'erent farmers in three localities varied in yield from .'}(» to 97.75 bu. i)er 

 aci'e. 



Suggestions for using the score card, testing the vitality of seed corn, and 

 arranging the breeding and multiplying plats are given. The bulletin concludes 

 with a list of publications on corn bi-eediug. 



Cotton culture, M. V. Calvin and J. AI. Kimbrough (Georgia .S7rt. Bui. 7.9, 

 ;//>. 1 .i.'i-UfO) . — In 11M)7 2(i varieties were under test and of these Cleveland Big 

 Roll. Layton Improved, Russell Big Boll, and Triumph headed the list in the 

 production of seed cotton with 1,G59, 1,534, 1,534, and 1,505 lbs. per acre, re- 

 siiectively. I.ayton Imijroved stood first in lint production with G56 lbs. per 

 aci-e. followed by Cleveland Big Boll with 042 lbs. The largest bolls, 50 making 

 1 lb. of seed cotton, were produced by Triumph and Hart Improved. In several 

 of the small-boiled varieties over 100 bolls were required for 1 lb. of seed cotton. 

 Basing the rank on the yield at first picking of 400 lbs. or more of cotton. 

 Triumph took first place with 435 lbs., followed by Cleveland Big Boll with 426 

 lbs., and Cook Improved with 405 lbs. Cleveland Big Boll yielded 697.80 lbs. 

 of cotton at the second picking, while Schley, which stood second, yielded 

 580.20 lbs. 



In one fertilizer test cotton-seed meal was the variant and acid phosphate 

 applied at the rate of 360 lbs. and muriate of potash at the rate of 27 lbs. per 

 acre the constants. The cotton-seed meal was applied at the rates of 180, 210, 

 244, 285, and 333 lbs. per acre, the use of 180 lbs. proving the most economical. 

 In an exi)eriment in which acid phosphate and cotton-seed meal were the con- 

 stants and potash the variant, being a]>plied at the rates of 27, 36, 48, 03, and 84 

 lbs. per acre, the best yields were secured fi-om the use of 48 li)s. of muriate of 

 jiotash per acre in the ai>plication. Where acid phosphate and cotton-seed meal 

 were the constants and potash the decreasing variant the best yield of seed 

 cotton per acre was secured with the largest quantity of muriate of potash, 

 27.30 lbs. per acre. The results of a fourth experiment with constantly in- 

 creasing quantities of fertilizer from 200 to 600 lbs. per acre showed that 600 

 lbs. of high-grade fertilizer was more economical than smaller quantities. 



Cotton culture, L. A. Moorhouse and J. F. Nicholson (Ol-lahoma Sta. Bui. 

 77, jiji. 3-3-'>.i). — A general discussion on cotton culture in Oklahoma is i)reseuted 

 and the results of growing cotton in a I'otation at the station are reported. The 

 rotation in ((uestion is arranged as follows: First year, castor beans; second 

 year, Kafir corn; third year, cotton; fourth year, oats; fifth year, wheat and soy 

 beans. Two of the plats on which this work was conducted ri^ceived barnyard 

 manure at varying intervals, while the remaining plats received no maniu-e 

 whatever. In 1902, when cotton was grown, there was a difference of 102 lbs. 

 of seed cotton in favor of the manured plat, and 5 years later, in 1JK)7, a 

 difference of 53J» lbs. The manured plats had received an application of IG 

 tons iier acre early in February. 11MJ2, but no manure or fertilizer had been 

 ai»i)lied since that date. 



The results of variety tests with cotton during the jiast <! years at tlit> station 

 are reported in tables, and brief conunents on each year's work are given. 



