Chapter I: Ignition, loss, 307

Ilosvay, nessler reagent, 573

Indiana, lysimeter of agricultural experiment station, 165

Indigo method for nitric acid, 524–531

Insoluble residue, analysis, 363
Belgian method, 364
Wolff’s method, 363

Interstitial space, determination, 134

Inverse capillarity, 146

Iron, 22
and alumina, separation from phosphoric acid, 414
French method, 399, 400
method of Sachsse and Becker, 401–403
microchemical examination, 266

J

Jenkins, analysis of sea-weeds, 13

Johnson, method for nitric acid, 556

K

Kaolin, estimation, 426–428

Kedzie, digestion vessels, 347
influence of drainage, 132

King, apparatus for soil sampling, 82
capillary movement of water, 153
methods of water movement, 151

Knop, method of determining soil absorption, 128

Knop’s silt cylinder, 189

Knorr, apparatus for carbon dioxid, 337

Kostytchoff, origin of humus, 60

Kühn’s silt cylinder, 189