742 



AUTHORS' INDEX 



Buckman, H. O., Formation of residual 



clay, 25. 



Moisture control, 279. 

 Storage of soil moisture, 715. 

 Buddin, W., Partial sterilization of soil, 



471. 



Burmester, H., Temperature of soil, 321. 

 Burr, W. W., Storage of soil moisture, 

 715. 



Caldwell, J. S., Wilting point, 258. 

 Cameron, F. K., Estimation of organic 



matter, 143. 

 Litmus paper test, 386. 

 Physical condition of soil, 181. 

 Soil solution, 346. 

 Solubility of phosphates, 358. 

 Test for cohesion, 176. 

 Campbell, H. W., Dry-farming, 712. 

 Carpenter, L. C., Measurement of 



water, 707. 



Cates, J. S., Mulch and moisture, 280. 

 Cato, M. P., Land drainage, 629. 

 Chamberlin, T. C., Driftless area, 67. 

 Chamberlain, C. W., Molecular attrac- 

 tion, 206. 



Chester, F. D., Bacteria in soil, 432. 

 Chilcott, E. C., Dry-farming, 712. 

 Christie, G. I., Soil survey of Iowa, 718. 

 Clark, F. W., Data of geochemistry, 5, 



24, 72. 



Composition of loess, 59. 

 Coffey, C. N., Reconnoissance survey of 



Ohio, 737. 



Classification of soils, 718. 

 Conn, H. J., Bacteria in soil, 431. 

 Coppenrath, E., Catalytic agents, 529. 

 Coville, F. W., Acid-tolerating plants, 



384. 



Coville, J. V., Acids in plants, 379. 

 Cox, H. R., Mulch and moisture, 280. 

 Craig, C. E., Weeds and crop growth, 



281. 



Crosby, W. O., Colors of soils, 76. 

 Cushrnun, A. S., Air elutriator, 86. 

 Colloids, 161. 

 Plasticity, 172. 



Czapek, J., Solvent action of roots, 406. 

 Czermak, W., Hygroscopic coefficient, 

 190. 



Darwin, C., Earthworms, 19, 422. 

 Daubree, A., Solubility of orthoclase, 24. 

 Davis, N. B., Plasticity, 172. 

 Davis, R. O. E"., Electrical bridge, 728. 

 Salts and capillarity, 229. 



Deh grain, P. P., Lime and phosphorus, 



536. 

 Demelon, A., Sulphur, 525. 



Penetration of fertilizers, 354. 

 Digby, K., Mineral manure, 490. 

 Diller, G. S., Composition of limestone 

 soil, 66. 



Residual clay, 27. 

 Dobeneck, A. F. von, Absorption, 367. 



Hygroscopicity, 203, 207. 

 Dorsch, F., Availability of fertilizers, 510. 

 Dorsey, C. W., Alkali land reclamation, 

 399. 



Composition of alkali, 393. 

 Duchacek, F., Bacteria in soil, 437. 



Fermentation and phosphates, 520. 

 Dugardin, M., Sulfur, 525. 

 Dupre, H. A., Capillary movement, 231. 

 Dyer, B., Citric acid method soil an- 

 alysis, 336. 



Plant food in Broadbalk field, 337. 



Ebermayer, E , Temperature of soil, 322. 

 Ehrenberg, P., Effect of soil antiseptics, 



470. 



Estimation of colloids, 168. 

 Eichhorn, H., Absorption by chabazite, 



356. 

 Elliott, C. G., Land drainage, 627, 629. 



659. 



Size of tile, 651. 

 Ernest, A., Carbon dioxide production, 



139, 408. 

 Etcheverry, B. A., Linings for canals, 



694. 



Failyer, G. H., Absorption by soils, 351. 



Composition of soil, 70. 



Minerals in soil separates, 101. 

 Faure, L., Land drainage, 627. 

 Feilitzen, H. von, Sulfur, 525. 

 Fippin, E. O., Causes for granulation, 188. 



Classification of soils, 718. 

 Fletcher, C. C., Soil analysis, 93. 

 Flugol, M., Law of minimum, 554. 

 Forbes, R. H., Irrigation, 686. 

 Fortier, S., Application of irrigation 

 water, r>',)f>. 



Mulches under irrigation, 705. 



Orchard irrigation, 682. 



Small water supply, 682. 

 Frank, B., Effect of heat on soluble 



matter, 466. 



Fraps, J. S., Availability of phosphates, 

 338. 



Fertilizers, 546. 



