I lis-* 



w as 



36 EXPERIMENT STATION RECORD. 



ion of aaaimilahility, price, and adulteration. Theaction of ammonium oxalate 

 Less vigorous than that of the acetic acid and citrate, depending upon the 

 ■in,,, nut of calcium silicate present. 



Report of analyses of commercial fertilizers for the fall of 1897, L. L. \ AN 

 SLYKE(N«w York si,,tr Sta. Bui. 1S4, pp. 50S-541).— The results of analyses of 248 

 different brands of fertilizers are reported, and the composition and quality of the 

 fertilizers offered forsalein the State during the fall of 1897 are discussed, of the 

 248 brands examined 172 were complete fertilizers. In these the aitrogen varied 

 from 0.58 to 1.89 per cent, averaging 1.69 per cent; the available phosphoric acid 

 varied from 3.81 to 12.78 percent, averaging 9.22 per cent; the potash varied from 

 0.58 to 16.52 per cent, averaging 3.92 per cent. The average amounts of nitrogen, 

 available phosphoric acid, and potash exceeded the guaranteed average by 0.16, 0.7, 

 and 0.18 per cent, respecth ely. 



Analyses of commercial fertilizers, B. W. KlLGORE kt al. (Mississippi Sta. Spec. 

 Bui. 47, pp. SS).—A report of analyses and valuations of 102 samples of fertilizing 

 materials collected in Mississippi during the latter part of December, 1897, and in 

 January, February, and March, 1898. 



Results of the fertilizer control in the Baltic Provinces, 1896-97, G. Tiioms 

 (l>i, Ergebnisse der DUnger-Kontrole, 1896-97. Riga, 1897, pp. 90)— This is a reprint 

 from Baltiachen Wochenachrift fur landwirthschaft, 1897, No. 48, and contains reports 

 on the importation of fertilizers into the Baltic Provinces during 189(5, an account 

 of the inspection work of the Riga Station, and a general review of literature on 

 the quality and use of different fertilizing materials, with special applications to 

 local conditions. 



The inspection of fertilizers in 1897, F. W. Morse (New Hampshire Sta. Bui. 

 49, pp. IS).— This is an account of the inspection of fertilizers iu New Hampshire in 

 1897 1>.\ Hie Experiment Station in cooperation with the State Board of Agriculture, 

 and includes the public statutes of New Hampshire relating to fertilizers; trade 

 values of fertilizing ingredients for 1897; tabulated analyses of 112 different brands 

 of mixed fertilizers and S samples of fertilizing chemicals, including muriate of pot- 

 ash. sul]> hate of ammonia, bone, dissolved boneblack, and tankage; a brief discus- 

 si .1 the price and quality of fertilizers sold in the State, and suggestions regard- 

 ing the selection of fertilizers. The prices of fertilizers were lower during 1897 than 

 thej have ever been before, and the composition of mixed fertilizers generally 

 exceeded the minimum guaranty, very few samples showing deficits in composition. 



Report on the enforcement of the fertilizer control law, H. J. Waters (Mis- 

 souri Sin. Bpt. 1897, pp. 1-9). — Repriutcd from Bulletin 34 of the station (E. S. R., 8, 

 p. 970). 



On the prevention of fraud in fertilizers and feeding stuffs, D. Molinari 

 i : Congree Tnternat. ('him. Appl., 1896, 11. pp. 178-181). 



The enforcement of laws relative to repression of fraud in fertilizers, E. 

 SlLZE ( .'. Congrea Internal, ('him. Appl., 1896, II, pp. 1S5-189). 



FIELD CROPS. 



Cooperative experiments in agriculture, C. A. Zavitz (Ontario 

 Agr. ami F..rpt. Union Rpt. 1897, pp. 13-40). — This is a report of 18 

 cooperative experiments with fertilizers, fodder crops, roots, grains, 

 musses, and clovers carried ou by 2,835 experimenters throughout 

 Ontario in 1S97. The experiments conducted at the Ontario Agricul- 

 tural College (E. S. II., 9, p. 440) form the basis of the system, and 

 varieties which have there shown themselves to be in the lead are 

 given a further trial in cooperative tests. The results are reported in 

 tabular form and briefly discussed. 



