432 



EXPERIMENT STATION RECOED 



Phosphatic— Continued, 

 slag— continued. 



solubilitv in weak organic acids, (40) 709. 

 soluble silicic acid in, (29) 409. 

 uso, (37) 723. 



use in Germany, (36) 726. 

 use on pastures, (26) 437. 

 use on peat soils, (37) 135; (38) 433. 

 utilization by oats and lupines, (31) 733. 

 utilization in different soils, (30) 221. 

 valuation, (29) 823. 

 Phospbatids— 



betain from, (26) 713. 

 distribution in milk, (36) 862. 

 extraction from tissues, (35) 201. 

 metabolism, (27) 401. 



nitrogenous hydrolysis products of, (31) 608. 

 occurrence in milk, (30) 312. 

 of milk, (33) 660. 

 of the kidney, (30) 477. 

 plant, studies, (27) 202. 

 purification, (.30) 410. 

 studies, (30) 163. 

 Phosphites, determination, (40) 409. 

 Phosphomolvbdic acid as reagent for saffron, (32) 



207. 

 Phosphoproteins, loss from grass during curing, (32) 



111. 

 Phosphoric acid- 

 absorption by bacteria, (29) 315. 

 absorption by forest soils, (28) 421. 

 absorption by oats, (31) 632. 

 absorption by soils, (31) 723; (33) 515. 

 absorption by zeolites, (28) 518. 

 action as affected by salts, (27) 623. 

 as affected by alumina, (27) 722. 



affected by ammonium sulphate, (28) 818. 

 affected by bacteria, (29) 315. 

 water sterilizing agent, (29) 474. 

 winter spray for fruits, (30) 641. 

 assimilation by plants, (31) 219. 

 assim.ilation by rice, (38) 340. 

 availability— 



as alTected by carbon dioxid, (27) 514. 

 in barnyard manure, (26) 323, 424. 

 basic slag, (29) 797. 

 bat guano, (27) 825. 

 fertUizers, (32) 409. 

 oil cakes, (26) 428. 

 soils, (26) 321. 

 biological absorption in soils, (27) 216. 

 citrate-soluble, in crude phosphates, (31) 16. 

 citric-acid soluble — 



determination, (30) 809. 



determination in Thomas slag powder, (2(1) 



409, 410; (32) 611. 

 production and fertilizing value, (32) 218. 

 concentration in soils, (27) 418.J 

 determination, (26) 406; (27) 110; (28) 804; (31) 

 17; (32) 115. 294,409; (33) 110, 803; (34) 314,409, 

 805; (35) 415, 502, 503, 613; (37) 412, 615, 802; 

 (39) 13, 312. 

 determination — 



as ammonium-magnesium phosphate, (33) 



204. 

 filter 'for, (38) 506. 

 in baked goods, etc., (32) 206. 

 basic slag, (27) 495. 

 beer, (29) 798; (32) 297. 

 beverages, (27) 499. 

 blood, (40) 16. 



calcium phosphate, (34) 410. 

 feed limes, (33) 115. 



fertilizers, (20) 108; (32) 205; (35) 12, 314. 

 foods, (29) 809; (37) 618. 

 mineral phosphates, (33) 13, 313. 

 organic substances, (28) 20. 

 peat soils, (39) 504. 

 phosphate rock, (28) 111. 

 phosphates, (31) 314. 

 presence of colloidal silicic acid, (28) 203. 

 presence of magnesium chlorid, (29) 609. 

 slag, (29) 795. 

 soils, (26) 21; (27) 514, 713; (28) 123, 610; 



(31) 16; (36) 505. 

 Thomas slag, (31) 112, 410. 

 vinegar, (27) 410. 

 wine, (30) 414. 

 of availability, (28) 222. 

 displacement by water in leaves, (29) 218. 



Phosphoric acid— Continued, 

 distribution in— 



blood. (40) 176. 



loamsoUs, (31) 618. 



milk, (26) 610. 

 effect on— 



bread fermentation, (27) 268. 



binning quality of tobacco, (38) 140. 



decomposition of sugar in soils, (37) 628. 



peaches, (33) 840. 



quality of barley, (31) 330. 



soils, (26) 216. 



sugar beets, (30) 438. 



variation of tomatoes and beans, (29) 339. 



weed growth in meadows, (38) 141. 

 yield of rubber, (31) 444. 

 esters of inosit, studies, (27) 406. 

 exchange in plants, investigations, (28) 818. 

 extraction from phosphates, (34) 329; (36) 712. 

 fertilizing value, (27) 325, 436, 437; (29) 227; (30) 



731; (.33) 519; (38) 218. 

 fixation in soils, (30) 217; (33) 122; (35) 624, 725; 



(37) 42:5. 

 for meadow soils, (26) 424. 

 for peaches, (38) 242. 

 for sweet potatoes, (33) 337. 

 forcing plants with, (28) SliT. 

 forms of, in soil, (38) 117. 

 from barnyard manure, (26) 123. 

 from "mine-run" phosphates, (39) 819. 

 hydrochloric-acid-insoluble, in soils, (29) 515. 

 irnportanee in the animal organism, (33) 758. 

 in alcoholic extracts of leaves, (27) 731. 



animal nutrition, (29) 869. 



feeding stuffs, digestibility, (40) 769. 



Hawaiian soils, (36) 427. 



honey, (33) 164. 



humus of soils, (37) 121. 



loess soils, (35) 809. 



peas, (40) 508. 



soil, solubility, (39) 24. 



soils, notes, (26) 125. 



soils, studies, (27) 500, 821; (28) 29. 



soils, transformation, (28) 417. 



starch, (34) 710; (36) 501. 



wheat, studies. (27) 500. 

 inorganic, determination, (33) 111 

 inosit, of feeding stuffs, (39) 14, 675. 

 insoluble, determination, (38) 205 

 isolation from starch, (35) 502. 

 long-continued use, (34) 128. 

 loss during fusion with ammonium fluorid, (36) 



6)3. 

 loss from manure. (32) 818. 

 loss from soils, (27) 321; (29) 211. 

 loss in drainage water, (26) 620. 

 loss in industrial wastes. (37) 630. 

 manufacture, (29) 418; (34) 329. 

 metabolism, (26) 765. 

 metabolism in infants, (29) 166. 

 minimum, for plant growth, (29) 22. 

 mobilization in soils, (26) 817; (31) 721; (36) 



515 

 organic, of cottonseed meal, (28) 505; (30) 707. 

 organic, of rice, (32) 712. 

 organic, of wheat bran, (32) 17. 

 organic v. inorganic, for fowls, (31) 569. 

 paper on, (26) 406. 



precipitation as affected by inversion, (28) 715 . 

 reaction of glycerol with, (31) 709. 

 recovering from phosphate rock, (36) 805. 

 relation to nitrogen in flour, (26) 661. 

 removal by corn crop, (37) 232. 

 removal from soil by crops, (39) 724. 

 reverted, assimilation by plants, (34) 331. 

 reverted, determination, (29) 795; (31) 714. 

 reverted, fertilizing value, (30) 428. 

 role in plant nutrition, (26) 530. 

 solubilitv in soils, (37) 18. 

 sources o"f, (39) 429, 430. 

 spring application, (33) 625. 

 use on moor soils, (27; 325; (38) 132. 

 water-soluble, determination in superphos- 

 phate, (30) 809. 

 water-soluble v. citrate-soluble, (36) 727. 

 Phosphoric anhydrid — 



content of wheat and corn products, (39) 314. 

 determination, (27) 206. 

 determination in soOs, (31) 313. 



