FERTILIZERS. 



Average composition, vaUmtion, and scUin<j pricv of fertilizers in Xew Jersey. 



967 



"It will be observed that, notwithstanding a slight tendency toward furnishing 

 larger amonnts of phosphoric acid and potash, the composition of the average for- 

 tilizer has been remarkably nniform for the past six years, approximating to the 

 following analysis: 



Nitrogen per cent . . 2. ;"> 



Phosphoric acid, total do H.o 



Phosphoric acid, available do <s. 



Actual jjotash do .5.0 



Price ^30 



"An examination of the analyses [of home mixtures] shows that they were, on 

 the whole, of the composition intended. . . . "The average estimated valuation is 

 ^28.34, while the average cost is 4^26. 18." 



Fertilizers, H. J. Wheeler, IJ. L. Hart well, aud C. L. Sargent 

 {Rhode Island Sta. Bui. 43, pp. 135-152). — Analyses and valuations of 

 100 samples of fertilizing materials collected during- 1890' are tabulated. 

 'Die following tabular statement sbo^vs tlie comparative quality of fer- 

 tilizers offered for sale in Khode Island from 1801 to 1890: 



Conqiaraticc qualili/ of firlilizirx in lUiodr IsUnid. 



The value of the fertilizer control in raising the standard of quality 

 of fertilizers offered for sale in the State and in disseminating correct 

 information regarding the purchase and use of fertilizers is discus.sed. 

 Analyses of a number of home mixtures are reported and their quality 

 briefly discussed. 



The eflfectiveness of artificial fertilizers [Sehlxoye Kliozyaiatco I 

 Lyesovodstvo, 181 {1S9(J), -lj»'., 2>P- 950-952). — Three series of exi)eri- 

 meuts are reported. In the first, at the experiment station at Zapoli, in 

 1893, a decidedly increased yield both of barley and of the succeeding 

 clover followed the use on light soil of about 200 lbs. of kaiuit per acre. 



In the second scries of cxi)criments ])lats of rye in which clover was 

 sown, and which had been fertilized in different cases with barnyard 

 manure, superphosphate, bone meal, phosphorite, and dried blood in 



' See also Bulletins 39 and 40 of the station (E. S. R., 8, ]^^. 682, 768). 



