396 EXPERIMENT STATION RECOtlD. 



sandy pine-Woods soil. Melilotus, plowed under at the end of the 

 second season, is the best green manure for soils underlaid with lime 

 and for the black prairie soils. For simply maintaining fertility, red 

 clover or alfalfa may be used. The green manuring should be supple- 

 mented by the carefully saved and protected barnyard manure, and 

 chemical fertilizers should be used "to supply known deficiencies in the 

 soil rather than as the principal fertilizer," 



Analyses of fertilizing materials and home-mixtures, and the 

 experience of farmers with home-mixtures, K. !>. Vookhees {Xeiv 

 Jersey Stas. Bui. 10:J, pp. 19). — A schedule of trade values for 18'.>4 is 

 giv^en. and the average prices per pound of fertilizing constituents, as 

 calculated from manufacturers' retail prices and from the State schedule 

 of prices, are tabulated and discussed. Tables give the analyses and 

 valuations of 114 samples of fertilizing materials, including nitrate of 

 soda, sulphate of ammonia, dried blood, dry ground fish, cotton-seed 

 meal, ground bone, tankage, boneblack, bone ash. South Carolina rock 

 and other mineral phosphates, muriate of potash, sulphate of potash, 

 kainit, and home-mixtures. 



The examination of 10 home-mixtures showed them to be generally 

 sui)erior to manufacturers' mixtures in mechanical condition, composi- 

 tion, and cost. 



The experience of 00 farmers in home-mixing is summarized, and is 

 overwhelmingly in favor of the practice. 



The comparative value of the nitrogen of barnyard manure and 

 of green manures, 'J. KimN {Ztschr. landw. Cent. Yer. tSachsen, 1894, 

 Kos. 2, 5, i, J, 0; ahs. in Chem. Centhl., 1891, II, Ko. 10, p. 493). — A 

 review is given of the experiments of Wagner, which showed as the 

 average of 3 years' results that as regards effectiveness the different 

 forms of nitrogen stood as follows: Xitrate of soda 100, nitrogen in 

 stable manure 25, nitrogen in green manures 65. Under other condi- 

 tions the figures for the last two were 45 and 70, respectively. The 

 results are still more unfavorable to the manure when only the action 

 during the first year is considered. In that case the figure for nitrogen 

 in stable manure was 11, and that for nitrogen in green manures G2. 

 It is maintained that, although it is a well-known fact that barnyard 

 manure is slow of action, it is contrary to all agricultural experience to 

 suppose that the figures for the first year should be so low, and it is 

 therefore suggested that there must be some error in Wagner's experi- 

 ments. 



The author obtained similar results with leached manure. With 

 this material he found the following figures : During the first year 11, 

 the second year 25, and the fifth year 30. These results indicate that 

 Wagner's figures are unreliable for normal manure, and serve to illus- 

 trate the unsatisfactory results that will be obtained if manure is 

 improperly managed. 



