726 EXPERIMENT STATION RECORD. 



Fertilizers (Bur. of the Census {IJ. /S'.] Bui. 57, pp. 41, 42; Jour. Soc. Chem. 

 Indus., 25 (1906), No. 23. pp. 1162, 1163).— The statistics reported show that 

 during 1905 the fertilizer industry followed the general tendency toward con- 

 solidation, the number of establishments reported being 400 as compared with 

 422 in 1900. 



The capital employed rose from $60,685,753 in 1900 to $69,023,264 in 1905, 

 the value of the product increasing from $44,657,385 to $56,632,853. The 

 amount and value of various materials used in the manufacture of fertilizers 

 during 1905 are stated as follows : Phosphate rock, 888,571 tons valued at 

 $4,244,554: potash salts, 312,600 tons valued at $5,497,774; nitrate of potash, 

 1,160 tons valued at $39,039 ; nitrate of soda, 42,213 tons valued at $1,760,432 ; 

 wood ashes, 17,083 bu. valued at $2,050 ; acid phosphate, 320,559 tons valued 

 at $2,912.010 ; ammonium sulphate. 10,540 tons valued at $600,856 ; cotton-seed 

 meal valued at $2,376,448 ; and bones, tankage, and offal valued at $5,094,149. 



Analyses of commercial fertilizers, M. B. Hardin (South Carolina Sta. Rpt. 



1905. pp. 22-28). — The results of inspection of fertilizers (including cotton 

 seed meal) during 1905 are summarized and compared with results obtained in 

 previous years. Of the 522 samples of fertilizers examined, 13 were of a lower 

 grade than was claimed for them. 



Analyses of comm.ercial fertilizers, M. B. Hardin (South Carolina Sta. Rpt. 



1906, pp. 9-lJf). — The results of inspection of fertilizers (including cotton-seed 

 meal) during 1906 are summarized and compared with results; obtained in pre- 

 vious years. Ot the 506 samples of commercial fertilizers examined, 412 were 

 of the grade claimed for them, 81 were of a higher grade, and 13 of a lower 

 grade. 



Commercial fertilizers in 1905-6, G. S. Fraps (Texas Sta. Bui. 85, pp. 

 20). — This bulletin gives the text of the State fertilizer law, together with in- 

 formation regarding taking of samples, form of tag, terms used in reporting 

 analyses, valuation of fertilizers, fertilizers for cotton, corn, rice, and potatoes, 

 home mixtures, fertilizer recipes, and bat guano ; and i-eports analyses and val- 

 uations of 238 samples of fertilizers examined during the season. It is reported 

 that the amount of commercial fertilizers used in Texas is comparatively small, 

 amounting to only 13,.500 tons in 1905-6. 



Commercial fertilizers, J. H. Stewart and B. II. Hite (West Virginia Sta. 

 Bui. 108, pp. Soo-^-fS). — This is a complete report of fertilizer inspection in West 

 Virginia during the year 1906, and gives guaranteed and actual analyses of 336 

 siimples of fertilizers offered for sale in the State during that year. 



Approximate unit cost of constituents of fertilizers and feeding stuffs 

 (Mark Lane Express, 96 (1901). No. 3928, p. i6>).— Schedules of trade values of 

 the principal constituents of fertilizers and feeding stuffs in Great Britain are 

 given and their use in calculating the value of these materials is explained. 



The mineral industry during 1905: Its statistics, technology, and trade, 

 edited by W. R. Ingalls (New York and London: Engin. and Min. Jour., 1906, 

 vol. I't, pp. 128; rev. in Jour. Soe. Chem. Indus., 25 (1906), No. 22, p. 1123).— 

 Among the materials of special agricultural importance for which statistics are 

 given are phosphate rock, potassium salts, gypsum, and limestone. 



AGRICULTURAL BOTANY. 



Report of the department of botanical research, D. T. MacDougal (Car- 

 negie Inst. Washington Year Book, 5 (1906), pp. 119-139, pis. 5, fig. 1). — An 

 account is given of the investigations being carried on at the botanical research 

 laboratory, Tucson, Ariz., under a grant from the Carnegie Institution. The 



