Soils — Continued 



MniHture in— Continued 



record of amount of water contained in soils during — C'ont'd. 



July, 1895 



1 896, crop season ( Wiiitne y and Hosnier ) 



Nitric acid in, determination of, by Schlcjesing's method, at Roth- 



amsted laboratory (Warington). 1886. p. 47 



Nitrification and denitrification in, lectures on ( Warington) . 1892. 

 Nitrogen hungriness in, recognition of (Hilgard). 1895. p. 58.. 

 Nitrogen in, of some of the experimental fields at Rothamsted, 



determination of, and bearing of results on question of source 



of nitrogen of our crops (Lawes and Gilbert). 1882. p. 142.. 

 Particles, division of, in mechanical analysis, plea for si'ientifi(; 



basis for (Hopkins). 1898. p. 64 



Phosphoric acid and potasli in, determination of (Goss). 1895. 



p. 50 



Phosphoric acid in — 



estimation of, by double i^recipitation with molybdic solution 

 and titration of ammonium phosphomolybdate with stand- 

 ard alkali (Williams). 1895. p. 82 



method for determination of (Goss). 1894. p 58 • 



PI lysical analysis of ( Whitney ) . 1895. p. 60 



Physical properties of — 



adaptation of methods of cultivation and manuring to ( WoUnv) . 

 1900. p. 805 ^.... 



artificial changes of (Wollny). 1900. p. 604 



investigations on (Briggs). p. 413 



in relation to moisture and crop distribution (Whitney). 1892. 



nature of ( W^ollny ) . 1896. pp. 761 , 853, 948 '. 



objects and methods of investigating certain (Briggs). 1900. 

 p. 397 



relation of, to cultivation of plants (Wollny). 1893. pp. 528, 



627 



Pliysical tests of ( Loughridge) . 1893. ji. 156 



Problems, some interesting ( Whitney ) . 1897. p. 429 



Productiveness of, nitrification as element in (Withers). 1902. p. 87 



Products and, of southwestern Louisiana (Rapley ). 1884 



Reasons for cultivating (Whitney). 1895. p. 123 



Relations of climate to (Hilgard). 1892 



Samples of — 



instructions for taking, for moisture determination (Whitney). 

 1894 



method for taking, for analysis (Hopkins). 1902. p. 152 



Sandv, treatment of (Beal) . 1901. p. 10 



Shading, effect of, notes on (Abbe). 1896. p. 374. 



Shifting, grasses for fixing ( Vasey). 1872. p. 223 



Soluble mineral matter of (Means). 1898. p. 495 



Soluble salt content of, electrical method of determining (Whit- 

 ney and Means) . 1897 



same (Briggs). 1899 



Solvents for available potash, and phosphoric acid (Huston and 



Bartlett). 1896. p. 91 



Sorghum and sugar producing, character and composition of 



(Richards(m). 1886. p. 60 



Strawberry. 1902. p. 16 



Study of, application of theory of solution to (Cameron). 1899. 

 p. 141 



same (Cameron). 1900. p. 423 



Survey of. See Soil survey. 



Swamj), marsh or muck, utilization of. 1898. p. 7 



Temi)erature and moisture of, in Red River vallev, notes on, 



1892-98 (Abbe), p. 477 '. 



Temjjerature of — 



electrical instruments for determining (Briggs). 1899 



electrical method of determining ( Wliitnev and liriggs). 1897. 



notes on, 1867. p. 255 '. 



same (Seeley). 1901. p. 601 



Index 



I'ltiNNlflcHtlon no. 



A26.3:3 

 A26.3:9 



A7.3:ll 

 A10.3:S 

 A7.3:47 



A1.8:31 

 A7.3:56 

 A7.3:47 



A7.3:47 

 A7.3:43 

 A7.3:47 



A10.6:ll 

 A10.6:ll 

 A26. 5:900' 

 A29.3:4 

 A10.6:6 



Al. 10:900 



A10.6:4 



A10.3:16 



Al. 10:897 



A10.3:115 



A1.8:35 



A 1.1 0:895 



A29.3:3 



A26.4:2 

 A7.3:67 

 Al. 9:124 



A29.6:24 

 A27.9:10 

 A 1.1 0:898 



A 26. 3:8 

 A26.3:15 



A 7. 3:49 



A7.:!:10 

 Al. 9:149 



A 1.8:64 

 A26.5:900' 



A1.9:7S 

 A29.6:27 



A26.3:15 

 A2().3:7 

 A27.9:5 

 A29.6:29 



631 



