19171 FIELD CROPS. 233 



removed by the crop were 87.5, 42, aud 67.1 lbs per acre, respectively. Six tests 

 at Mt. Carmel gave for a 15-ton silage crop an average of 88 lbs. of nitrogen, 37 

 lbs. of phosphoric acid, and 100 lbs. of potash. Several crops of husking corn, 

 grown elsewhere in Connecticut and calculated at 75 bu. per acre, gave an 

 average of 92 lbs. of nitrogen, 34 lbs. of phosphoric acid, and 74 lbs. of potash. 



It is estimated that by careful conservation of the manure returned from 

 feeding 30 tons of silage approximately 50 lbs. of nitrogen, from 25 to 30 lbs. 

 of phosphoric acid, and from 45 to 50 lbs. of potash may be regained regardless 

 of any fertilizing Ingredients in the litter or fermenting organic matter which 

 might serve as a soil amendment or plant-food solvent. 



Com variety tests for 1915, R. Y. Winters, G. M. Garren, and B. White 

 (Bui. N. C. Dept. Agr., SI (1916), No. 4, pp. 5-21).— Tests of 24 varieties of 

 corn at six experimental farms in North Carolina are reported and compared 

 with the average results of previous tests. 



The 2-eared prolific varieties yielded best, except in the extreme western 

 part of the State, where Boone County White, a 1-eared variety, gave the 

 highest yield in a series of five tests. It is recommended that the best 2-eared 

 varieties be improved by selecting for increased yield of grain per stalk rather 

 than a larger number of ears per stalk. For production of silage the 2-eared 

 and more prolific varieties have given a higher yield of dry matter and more 

 food value per acre than the 1-eared varieties. 



Egyptian maize (Zea mays), G. C. Dudgeon and B. G. C. Bolland (Min. 

 Agr. Egypt, Tech. and Sci. Serv. Bui. 9 (1916), pp. 5). — This is a progress re- 

 port of variety tests with corn at the Gheezeh Experimental Farm in an effort 

 to isolate and describe the varieties grown. Brief notes are also given on the 

 production of the crop in Egj'pt. 



Fique (Furcraea gigantea) (Roy. Bot. Gard. Keic, Bui. Misc. Inform., No. 

 7 (1916), pp. 169, no, pi. i).— This is a brief note on fique in Colombia, in- 

 cluding an enumeration by M. T. Dawe of the principal uses to which the fiber 

 is put. 



The culture and manufacture of flax for fiber and seed with special refer- 

 ence to the industry in Oregon, J. F. Thoene (Univ. Oreg. Bui., n. ser., IS 

 (1916), No. 13, pp. 70, figs. 5). — This is a compilation of data and expert 

 opinions on the establishment of the flax industry in Oregon, made by the 

 School of Commerce of the University of Oregon at the request of the Flax 

 Committee of the Portland Chamber of Commerce. It discusses the climatic 

 conditions and advantages of Oregon for flax production, and, in addition, the 

 demand, freights, markets, prices, profits, and conditions of the flax industry 

 in foreign countries. 



Indian hemp fiber (Crotalaria juncea), C. D'Lima (Agr. Jour. India, 11 

 (1916), No. 1, pp. Sl-lfl). — This is a general discussion of the hemp situation in 

 India from a commercial standpoint. 



[The composition of mangels], C. T. Gimingham (Univ. Bristol, Ann. Rpt. 

 Agr. and Hort. Research Sta., 1915, pp. 11^-119). — Analyses of six varieties of 

 mangels grown at each of eight experimental centers are reported. 



Great millet (Sorghum vulgare) and berseem (Trifolium alexandrinum), 

 B. G. C. Bolland (Min. Agr. Egypt. Tech. and Sci. Serv. Bui. 8 (1916), pp. 5).— 

 A progress report of work conducted with millets in 1915 in an effort to isolate 

 and describe the individual varieties grown at the Gheezeh Experimental Farm. 

 Tests with four strains of berseem are also reported. 



Peanuts. — Tests of varieties and fertilizers, J. F. Dtjggab, E. F. Caxjthen, 

 J. T. Williamson, and O. H. Sellers (Alabama Col. Sta. Bui. 19S (1917), pp. 

 3-S2, pis. 4). — Variety tests covering a period of five years and fertilizer tests 

 extending over six years in different parts of the State are reported. 



