6 PRICE LIST 46 TTH EDITION 



FERTILITY Continued. 



Soil fertility, address delivered before Rich Neck Farmers' Club of Queen 

 Anne County, Md. [2d edition revised.] 1909. 35 pages. Paper, 5c. 



A 1.9 : 257 

 Some factors influencing soil fertility. 1907. 40 pages, illus. Paper, lOc. 



A 26.3 : 40 

 Study of crop yields and soil composition in relation to soil productivity. 



1909. 127 pages, illus. Paper. 20c. A 26.3 : 57 

 See also, in this list, headings Humus Oxidation. 



FERTILIZERS. 



Agricultural fertilizers from air in relation to water power development, 

 address delivered before National^Conservation Congress, Nov. 18, 1913, 

 by F. S. Washburn. 13 pages. (63d Cong., 2d sess., S. Doc. 257.) 

 Paper, 5c. 



Barnyard manure. 1906. 32 pages, illus. Paper, 5c. A 1.9 : 192 



Cecil silt loam. Manurial requirements of Cecil silt loam of Lancaster 

 County, S. C. 1905. 7 pages. Paper, 5c. A 26.4 : 16 



Commercial fertilizers, composition and use. Revised 1906. 37 pages. 

 Paper, 5c. A 1.9 : 44 



Composition of commercial fertilizers. 1910. 39 pages. Paper, lOc. 



A 26.3 : 58 



Corn. Fertilizers for corn soils. 1910. 31 pages. Paper, 5c. A 26.3 : 64 

 Cotton. Fertilizers for cotton. 1894. 32 pages. Paper, 5c. A 1.9 : 14 



Cotton. Fertilizers for cotton soils. 1909. 24 pages, 1 illus. Paper, 5c. 



A 26.3 : 62 

 Cotton. Manuring' of cotton. 1897. 16 pages. Paper, 5c. A 1.9: 48 



Farm practice in use of commercial fertilizers in South Atlantic States. 



1910. 24 pages, illus. Paper, 5c. A 1.9 : 398 



Feldspathic rocks. Use of feldspathic rocks as fertilizers. 1907. 32 

 pages. Paper, 5c. A 19.3 : 104 



Fertilizer industry, review of statistics of production and consumption, 

 with abstracts of State laws for analysis and sale. 1898. 27 pages. 

 Paper, 5c. A 27.8 : 13 



Fertilizers for special crops. (In Agriculture Yearbrook, 1902, pages 553 to 

 572.) Cloth, 85c. A 1.10: 902 



Identification of commercial fertilizer materials. 1914. 13 pages. Paper, 5c. 



A 1.3 : 97 



This bulletin gives methods for identifying the carriers of the various fertilizing 

 ingredients, and is intended to serve as a laboratory guide to those studying this 

 phase of the fertilizer question. 



Leonardtown loam. Manurial requirements of Leonardtown loam soil 

 of St. Mary County, Md. 1905. 13 pages. Paper, 5c. A 26.4 : 15 



Nitrogenous fertilizers obtainable in United States. 1913. 12 pages. 

 Paper, 5c. A 1.3 : 37 



A report on the production and consumption of sodium nitrate, sulphate of 

 ammonia, artificial nitrates, calcium cyanamide, tankage, and dried blood in the 

 United States, which is of special interest to the manufacturers and users of ferti- 

 lizers, because of the agronomic necessity which compels the use of nitrogenous 

 fertilizers and the scarcity of nitrogenous compounds available for fertilizing 

 purposes. 



Oats. Fertilizers on soils used for oats, hay, and miscellaneous crops. 1910. 

 73 pages. Paper, lOc. A 26.3 : 67 



Orange. Fertilization of soil as affecting orange in health and disease. 

 (In Agriculture Yearbook, 1894, pages 193 to 202, illus.) Cloth, 50c. 



A 1.10 : 894 



Portsmouth sandy loam. Manurial requirements of Portsmouth sandy 

 loam of Darlington area. South Carolina. 1905. 10 pages. Paper, 5c. 



A 26.4 : 17 



NOTE. In ordering publications from this List use the words of the title as far as the 

 first period, and all the composite number which follows the price. 



