Introduction to Soil Chemistry

216 index
Path length, 159
Ped(s), 1, 2, 11, 12, 14, 16, 20, 21, 47, 53, 64
Ped formation, 20, 21
Pedon, 1, 2, 18
Penicillium, 56
Percolation, 4–6, 20, 48, 71, 96
Permanganate, 65, 113
pH meter, 82, 94, 97, 99, 100, 105, 111, 113,
114, 118
Phenol, 61, 82
Phenolic, 62, 81, 97
Phosphate, 34, 76, 80, 81, 123, 158, 168, 195,
203–206
Phosphomolybdate, 158
Phosphoric acid, 113, 205, 206
Phosphorus, 19, 34, 55, 59, 168, 203–206
Photographic film, 152
Photomultiplier, 152–154
Photosynthetic, 97
pH-sensing bulb, 97
pH-Stat titrations, 124
p bonds, 37
Piezoelectric, 136
Plant available water, 73, 86
Plasma, 147, 154
Platinum, 96, 113, 118
Platy, 11, 12
Pneumatic, 188
PO4 -3 , 80, 81, 168, 203, 206
Polar covalent, 32, 33, 42, 116
Polar regions, 34
Polaragraphy, 105
Polar-polar interactions, 32, 34
Polyatomic ions, 33
Polychlorinated biphenyls, 131
Polymer, 57, 62, 178, 204, 205
Polypedon, 2, 18
Polysaccharides, 57
Ponds, 31, 203
Porous block, 86, 107
Potassium, 11, 30, 55, 66, 79, 118, 121, 152, 163,
166, 195, 198
Potassium bromide, 163, 166
Potassium cation, 195
Potassium selective electrode, 11
Potentiometry, 96
Precipitation, 57, 76, 111, 113, 124, 127,
206
Precipitation reactions, 76, 113
Pressure plates, 88, 89
Prismatic, 11
Profile, 1, 2, 7, 8, 10–12, 17, 19–21, 31, 46, 48,
73, 78, 96, 107
Propanone, 34
Proteins, 57, 121, 163, 188, 205
Protons, 33, 80, 82, 97, 113, 116, 168
Psychrometers, 86, 89
Quadrupole mass spectrometer, 169, 181,
185
Quantification, 148, 164, 191
Quartz, 156
Quaternary amines, 28
r 2 , 161, 162
Radio frequency (RF), 147
Rate factors, 32, 39, 42
Reaction intermediate, 38
Reaction paths, 32, 37, 38, 42
Reactive sites, 39
Reciprocal centimeters, 163
Redox, 97, 101, 103, 104
Reducing conditions, 9, 10, 12, 14, 16, 17, 20,
51, 52, 72, 73, 104, 200
Reduction reactions, 20, 72, 85, 105, 106, 113
Reference electrode, 82, 97, 100, 101, 113,
118
Reference soil, 18
Refractive index, 185, 186
Refract light, 158
Regression analysis, 161, 162
Relative humidity in soil, 108
Resistance, 59, 93, 94, 106, 107, 181
Reverse osmosis, 132
Reverse phase, 185, 187
Reverse phase column, 185
Rf, 189–191
Rhizobia, 51
Rhizosphere, 50, 61, 62
Rice, 51
Rigolith, 15
RNA, 57, 189
Roots, 11–13, 17, 24, 45, 48–51, 61, 65, 67, 72,
73, 82, 85, 204, 205
Rt, 189–191
Saline, 107
Saline-sodic, 107
Saliva, 46
Sample loop, 184
Sand, 1, 4, 11, 13, 15, 16, 23–25, 31, 32, 35, 40,
42, 57, 71, 75, 200, 204
Sandy loam, 31
Selective ion, 97, 118
Selenium, 131
Septum, 128, 177
Septum less, 177
Shrink-swell, 149
Siemens, 106, 107
Sieving, 31, 56, 151