992 



EXPEEIMENT STATION" EECOED, 



Page. 



Soil moisture, factors affecting 320 



movement 500 



relation to plant activities 214 



wUting of plants... 515 



retaining 619 



physics, studies 214,819 



solution, composition 500 



notes 819 



Boils, absorbent power, cause 619 



absorption of phosjihoric acid in 216 



absorptive properties 515 



alkali, efiect on cotton, U.D.S.A 640 



studies, N.Dak 321 



ammonia and nitrate formation in, N.J. 721 



fixing power 322 



analyses 216,321 



Fla 320 



Ind 416 



as affected by- 

 fertilizers 622 



lime 218 



molasses, Hawaii 419 



plant growth and fertilizers 124 



smoke 229 



sugar 722 



bacterial slime in 620 



bacteriotoxins in 621 



behavior of amino acids in 500 



biochemical factors in 500 



biological absorption 20 



black, improvement, Ind 416 



or chernozem, of Russia 619 



brown, of Europe and Asia 416 



calcareous, ellect on plants, P.R 824 



Carrington loam, U.S.D.A 18,512 



cementing material, plant food value . . 513 



chemical characterization 417 



Chester loam, U.S.D.A 17 



classification 117, 320, 515 



composition as aflected by moles 619 



concentration of phosphoric acid in 418 



conservation 20 



cotton, of India, nature 823 



Nyasaland and Uganda 217 



Crowley silt loam, U.S.D.A 17 



cultivated, adsorption phenomena 20 



of Cuba 117 



denitrification in 424 



determination of firmness and plastic- 

 ity 320 



Rhizobia in 620 



drying 121 



elementary course in 96 



experiments wil h 393, 394 



Fargo clay loam, U.S.D.A 612 



from crystalline rocks, investigations . . 415 



frozen, bacterial activities in, Iowa 720 



greenhouse, partial sterilisation 621 



Hagerslown clay, U.S.D.A 319 



loam, U.S.D.A 512 



heat conductivity 215 



heated, biochemical studies 620 



Houston black clay, U.S.D.A 512 



hygroscopicity 120 



determination 110 



Infertile, cause 819 



Page. 



Soils, inorganic phosphates 21 



investigations, Hawaii 118 



Irrigated, drainage 686 



evaporation from, U.S.D.A.. 121 



movement of water in, Utah. 819 



lawn, notes, U.S.D.A 346 



lime and fertilizer requirements, R.I... 216 



loess, composition 499 



origin 216 



loss of ammonia from 21 



lysimeter investigations 19 



manganiferous, of Oahu, Hawaii 118 



manured, loss of ammonia from 21 



mapping 216, 720 



Marion silt loam, U.S.D.A 18 



marsh, of eastern United States, U.S. 



D.A 618 



Marshall silt loam, U.S.D.A 512 



mechanical analysis, U.S.D.A 119 



methods of analysis 514, 515 



Miami clay loam, U.S.D.A 512 



moor, cultivation and fertilization 824 



phosphatic fertilizers for 325 



muck, notes, U.S.D.A 617 



nitrates in 419 



nitric nitrogen in 418 



nitrification in 419 



nitrifying and ammonifying power .... 517 



nitrogen balance in 21 



content as aflected by clover, 



Can 322 



cycle 517 



Norfolk fine sandy loam, U.S.D.A 512 



of Alabama 417 



arid and humid regions 117 



regions, bacteriology 822 



Burirhat Station Farm, analyses 417 



CanalZone, U.S.D.A 19 



Chile, radio-activity 520 



Coquimbo, Chile, analyses 431 



eastern United States 500 



U.S.D.A. 17,319,617 



German Southwest Africa, analyses. 513 



Hawaii, humus content, Hawaii 7 



Java, studies 720 



New Jersey 513 



northern Italy, origin and composi- 

 tion 513 



Oregon, Oreg 719 



prairie regions of Alabama and Mis- 

 sissippi, U.S.D.A 33 



Prince George's Co., Maryland 319 



Queensland, analyses 217 



San Luis Valley, Colo., U.S.D.A .... 18 



Shenandoah River terrace, U.S.D.A. 18 



Transvaal, analyses 639 



Tripoli 618 



United States, types, U.S.D.A 512 



Webster Co., Kentucky 823 



Orangeburg fine sandy loam, U.S.D.A. 512 

 packed and unpacked, moisture con- 

 tent. Can 320 



partial sterilization, studies 722 



peat, notes, U.S.D.A 617 



of Picardy 619 



penetration by fertilizers 420 



