458 



EXPERIMENT STATION RECORD 



^"^'l^ns^lar^UUonrnotes. (26) 300. 696; (27) 900; (35) 

 400 597- (37) 98; (38) 499; (39) 198. 

 Insular Station, report, (29) 95; (30) 395; (37) 



Un^v^rsK'^notes. (26) 97; (27) 494; (28) 94, 698; 



Portulaca, inheritance studies, (40) 131. 



Posidonia australis, fiber from, (38) 529. 



Postal savings banks in various countries, (29) 895. 



Posts, sff Fence posts. „„*:Kii 



Postum cereal residue, composition and digestiDU- 



f ity, (32) 066. . 



Pot culture work, equipment lor, (37) 521. 



^''SaXrs'ffec^rn, yield, (29) 514; (35) 215. 



moisture control in, (35) 319. 



wire cage for, (32) 514. 

 Potamogeton natans, growing for wild ducks, (29) 

 373. 



absorption by bacteria, (29) 315. 

 absorption by oats, (31) 632. 

 absorption by soils, (31) 723. 

 absorption from zeolites, (29) 625. 

 American rock, (40) 134 

 as blast furnace by-Product, (36) 625. 



cement mill by-product, (36) 625; (37) 817. 

 fertilizer for hops, (30) 37. 

 top dressing for pastures, (29) 632. 

 winter spray for fruits, (30) 641. 

 assimilation by rice, (38) 340. 

 availability in— . 



barnyard manure, (26) 323, 424. 

 feldspar, (37) 522. 

 feldspathic fertilizers, (29) 796. 

 fertUizcrs, (27) 496. 

 New Jersey soils, (37) 029. 

 soils, (36) 625. 



soils as affected by lime or gypsum, (36) 519. 

 bearing rocks in Wyoming, (26) 623. 

 brines, evaporation, (34) 425. 

 carriers, comparison, (39) 440 

 citric soluble, production and fertilizing value, 



(32) 218. 

 concentration in subsoil, (31) 720. 

 content of coal ash, (39) 329. 

 content of seaweeds, (26) 726. . ,,mQi7 



content of soil, relation to Rhizoctoma, (40) 347. 

 deposits — 



at Spur, Texas, (31) 726. 

 in Alsace, (40) 320. 

 California, (29) 319. 

 Catalonia, Spain, (35) 24. 

 Germany, (29) 319. . 

 Germany, origin and importance, (28) 



424. 

 Great Basin, (29) 518; (31) 423. 

 Kalusz, eastern Galicia, (29) 822. 

 Michigan, (31) 623. 

 Nebraska, (28) 522. 

 Nevada, (28) 424, 819; (33) 425. 

 New Mexico, (27) 23. 

 northern Spain, (32) 323. , , „„ 



southern California, (28) 819; (33) ol8. 

 Spain, (32) 126; (33) 26.' 

 Spain and Chile, (36) 26. 

 Texas, (28) 522; (32) 820; (34) 26; (35) 23. 

 United States, (27) 22, 500, 627; (28) 33, 



221; (31) 125, 218, 321. 

 Upper Alsace, (27) 421. 

 Utah, (36) 325. 

 mineralogy and geology of, (35) 429. 

 determination, (29) 796; (32) 295; (37) 504, 712; 



(39) 209, 312; (40) 112, 309, 806. 

 determination — 



in ash of cereals, (26) 807. 



ashes, (20)99. , ^^ „, 



fertilizers, (26) 108; (27) 496; (28) 111; 



(29) 308; (31) 207; (39) 12. 

 soils, (27) 514; (31) 618; (36) 299, 611. 

 preparation of perchloric acid for, (40) 13. 

 displacement by water in leaves, (29) 218. 

 distribution in loam soils, (31) 618. 

 domestic sources, (38) 625. 

 effect on — 



apples, (28) 144; (29) 438. 

 coherence of soils, (31) 123. 

 composition of beets, (31) 736. 

 composition of meadow hay, (31) 622. 



Potash— Continued, 

 effect on— continued, 

 cranberries, (30) 143. 

 flax fiber, (31) 332. 



growth of leguminous plants, (31) 132. 

 maturity of cotton, (31) 40. 

 peaches, (33) 840. 

 quality of barley, (31) 330. 

 rape, (32) 435. 

 red clover, (32) 228. 



variation of tomatoes and beans, (29) 339. 

 weed growth in meadows, (38) 141. 

 evaporation from brines, (35) 219. 

 extraction from— 



aluminum sihcates, (26) 426. 

 alunite, (36) 17. 

 feldspar, (26) 726; (27) 724. 

 leucite, (36) 414. 

 minerals, (26) 526. 

 muscovite, (37) 505. 



rocks and marls, (27) 23. ,„.,,-,„, 



silicate rocks, (27) 500, 628; (28) 33; (37) .427. 

 wvoiningite, (35) 503. 

 fertilizer experiments, review, (34) 821. 

 fertilizers — 



application, (31) 820. 



comparison, (26) 31, 525, 536, 837; (27) 125, 

 725; (28) 221, 325; (29) 126, 215, 516;l(30) 

 221, 527, 724; (31) 820; (35) 323; (37) 135; 

 (38) 218, 726. 

 economic use, (27) 24. 

 fertilizers, etTect on— 



composition of sugar beets, (27) 126. 

 conservation of pears, (29) 640. 

 keeping quality of fruit, (27) 644. 

 pasture grasses, (27) 125. 

 production of cereals, (32) 827. 

 soils, (27) 622. 

 sugar beets, (33) 434. 

 tobacco, (33) 732. 



water requirements of plants, (35) 630. 

 fertilizers— 



for moor soils, (39) 438. 

 residual value, (38) 220. 

 review of investigations, (27) 128. 

 time of application, (27) 125. 

 unbalanced, effects, (40) 621. 

 fertilizing value, (26) 534, 536, 537; (27) 324, 

 436, 437, 534; (28) 520; (29) 227; (30) 232, 428, 

 836 (31) 226, 328, 333, 527, 738, 821; (33) 8^; 

 (34) 519; (37) 521, 636; (38) 133, 217, 534; (39) 

 127 335. 

 field and laboratory test for, (27) 23. 

 fixation by soil bacteria, (34) 815. 

 for cranberries, (34) 150. 

 Kentucky soils, (35) 122. 

 meadow soils, (26) 424. 

 moor soils, (40) 230. 

 muck soils, (33) 33. 

 roses, (34) 143. 

 sugar cane, tests, (38) 135. 

 sweet potatoes, (33) 337. 

 from alunite, (27) 628; (39) 727. 

 artificial zeolite, (37) 322. 

 banana stalks, (36) 820. 

 beet and cane molasses, (38) 124. 

 beet sugarhouse waste, (37) 817; (39) 808. 

 biotite and similar silicates, (37) 321. 

 blast furnace by-products, (38) 424; (39) 



US, 121, 625. 

 blast furnace-s and cement works, (40) 128. 

 bracken, (39) 220, 626; (40) 321. 

 cactus, (33) 234. 

 cement materials, (37) 218. 

 cement mills. (38) 123, 124; (39) 328, 329. 

 complex mineral sihcates, (39) 218. 

 copper and gold ores, (34) 425. 

 desert brine, (39) 204. 

 desert lakes and alunite, (40) 128. . 

 electrieallv-treated feldspar, fertilizing 



value, (35) 720. 

 feldspar, (27) 725; (29) 518; (32) 126, 324; 

 (35) 326; (38) 123; (39) 116, 218, 219; (40) 

 134. 

 feldspathic rock, (34) 27. 

 fir wood mill waste, (35) 327. 

 flue dust, (39) 118, 121, 430, 626. 

 freshly cut kelp, (29) 519. 

 greensand, (38) 123; (39)218,219; (40) 299, 

 423. 



