SUBJECT INDEX 



233 



Fertilizer — Continued . 

 law in — continued. 



Missouri, (29) 626. 



Netherlands, (27) 725. 



New Jersey, (28) 326, 726. 



Ohio, (2R) 127; (27) 128. 



Pennsylvania, (27) 727; (34) 625. 



Porto Rico. (33) 821. 



Tennessee. (27) 219; (33) 126; (35) 328. 



Texas, (26) 35; (28) 34. 



Washington, (28) 727. 



West Virginia, (33) 220. 

 laws— 



in Great Britain and Ireland, (28) 459. 



in United States, (31) 323. 



report. (27) 806. 

 materials — 



definitions, (29) 517. 



in United States, (29) 517. 



microscopic identification, (31) 517. 

 mixtures for crops, (26) 622. 

 mixtures tests, (26) 632. 

 new mineral, tests, (29) 129. 

 plant, municipal, at Los Angeles, California, 



(33) 625. 

 plats, bacteriology of, (34) 127. 

 problem, discussion, (37) 815. 

 raw materials, imports into United States, (26) 



524. 

 requirements — 



in England, France, and Italy, (40) 422. 



in Great Britain, (40) 24. 



in Norway. (40) 127. 



of crops, (28) 722. 

 resources of United States, (27) 22. 



action, (37) 624. 



effect on plants, (28) 739. 



toxicity toward plants, (35) 221. 

 situation in^ 



Egypt, (39) 724. 



Germany, (34) 327. 



Great Britain, (34) 621; (39) 120 622. 616. 



Rhodesia, (40) 621. 



South Africa, (39) 724; (40) 127. 



United States, (35) 121; (39) 120, 327. 

 supply of— 



France, (39) 424. 



south India. (32) 424. 



United States for 1919, (40) 421. 

 works of Paris, odors from, (27) 21. 

 Fertilizers — see also specific material. 

 absorption by soils, (31) 723. 

 absorption by trees, (26) 443. 

 action, (27) 500; (28) 33. 

 action as affected by- 

 barnyard manure, (26) 522. 



irrigation (26) 522. 



organic compounds, (26) 224. 

 adaptation to crops and soils, (29) 821. 

 after effect, (29) 729. 

 analyses, see also Fertilizers, inspection and 



analyses, (26) 26, 35, 127, 225, 325, 429, 624, 727, 

 809, 819; (27) 128, 219, 327, 413, 423, 521, 629, 

 718, 727, 815; (28) 224, 315, 325, 523, 627, 811, 

 820; (29) 119, 320, 521, 522, 626, 729; (30) 428, 

 697, 712, 720; (31) 31, 323, 624, 727, 823; (32) 

 32, 169, 219, 325, 424, 621, 725; (33) 126, 723, 

 821; (34) 332, 426, 625, 727; (35) 328, 430, 631, 

 728; (36) 124, 521, 628, 711, 822; (37) 24, 114, 

 127, 219, 220, 429, 630, 818; (38) 411, 425, 626; 

 (40) 415. 



analyses, statement of results, (26) 523. 



analysis, vegetation test as a basis for, (33) 711. 



and manures, handbook, (28) 538. 



and manures, textbook, (30) 24. 



and soil fertility, treatise, (28) 423. 



application, (31) 38, 328; (33) 122; (34) 327; (37) 

 222, 521; (38) 619, 624; (39) 520. 



application through leaves of plants, (30) 128. 



as affected by — 



European war, (35) 891. 

 soil moisture, (32) 814. 

 water supply, (32) 813. 



as nutrient for soil bacteria, (34) 327. 



availability, (36) 818. 



availability of insoluble nitrogen in, (35) 426. 



availability of nitrogen in, (27) 723; (28) 724. 



bibliography, (34) 426. 



Fertilizers— Continued . 

 catalytic — 



notes, (26) 225; (27) 628, 824; (31) 320. 



review of investigations, (28) 223. 



review of literature, (30) 821. 



tests, (30) 627; (31) 31; (35) 523. 



use, (27) 327; (34) 623. 



use with lime nitrogen, (35) 519. 

 chemical, treatise, (40) 421. 

 chemistry of, (33) 219. 

 commercial, insoluble nitrogen in, (40) 134. 

 composition, (30) 327. 

 composition and use, (27) 727. 

 conservation, (36) 723. 

 cost and returns, (40) 724. 

 cost and use in 1916, (35) 21. 

 decomposition by bacteria, (28) 221. 

 destruction of weeds by, (26) 333. 

 direct nutrition of plants by, (30) 124. 

 drilling v. broadcasting, (31) 123; (33) 517. 

 effect of long-continued use, (28) 123, 624. 

 effect on — 



action of soil organic compounds, (34) 126. 



apples, (29) 438; (37) 41. 



asparagus roots, (28) 236; (30) 142. 



beets, (29) 332. 



carnations, (36) 445. 



catalytic power of soils, (28) 118. 



coherence of soils, (31) 123. 



cold resistance of almonds, (30) 238. 



color of apples, (26) 817. 

 effect on composition of — 



asparagus, (27) 500; (36) 839. 



beets, (28) 124; (31) 736. 



cereals, (37) 827. 



currant juice, (29) 838. 



grasses, (32) 665. 



hay crop, (27) 35. 



mangold leaves, (28) 129. 



meadow hay, (31) 622; (34) 620. 



medicinal plants, (34) 18. 



oranges, (37) 649. 



rice, (29) 231. 



soy beans, (34) 632. 



tobacco ash, (37) 541. 



wheat, (28) 140, 535; (32) 252; (37) 38; (38) 

 438, 518. 

 effect on— 



crop growth, (34) 517. 



crop production in Germany, (30) 220. 



crop yields, (30) 135. 



decomposition of organic matter, (40) 214. 



development of cotton, (34) 337. 



drainage water, (26) 619. 



fish, (29) 821. 



fruits, (28) 144. 



germination of seeds, (29) 327. 



ginning output of cotton, (26) 635. 



grapes, (31) 339. 



hydrogen-ion concentration in soils, (39) 424. 



keeping quality of cranberries, (30) 143; (31) 

 741. 



keeping quality of pears, (27) 644; (29) 640. 



lime requirements of soils, (37) 125. 



maturity of cotton, (31) 39. 



nitrification in soils, (35) 321; (36) 118. 



nitrogen content of soils, (36) 218. 



oats, (29) 151. 



oil content seeds, (32) 428. 



oranges, (36) 642. 



pear blight, (34) 647. 



plant food in soils, (29) 623. 



plant growth, (29) 329. 



potato scab, (32) 750. 



production of cereals, (32) 827. 



protein content of soy beans, (34) 140. 



quality of sugar beets, (28) 44. 



quality of tobacco, (38) 37, 139, 140, 239. 



quality of wheat, (35) 832. 



resistance of grain to hail, (30) 519. 



ripening of pears, (31) 534. 



root development, (26) 327; (29) 328; (30) 136. 



rust production, (28) 148. 



set of fruit in peaches, (29) 40. 



soil acidity, (29) 237; (35) 22, 727; (37) 23. 



soil aldehydes, (36) 424. 



soil fertility, (34) 517. 



soil moisture, (33) 217. 



soils, (27) 124; (28) 520; (32) 31, 721; (33) 122; 

 (35) 216, 516. 



52S31— 2Gt- 



-10 



