Page 247 - Soil Degradation, Conservation and Remediation

236 Index

Terracing , 69, 83, 96, 98 Uranium-235 , 175
Tetrachloroethylene , 160, 181, 189 Uranium-238 , 175
Tetraethyl pyrophosphate (TEPP) , 162 Urbanization , 3, 36, 172
Textiles , 89, 160 Urea , 131, 132, 166
Thailand , 127
Thlaspi calaminare , 215
Thorium , 175 V
Thorium-232 , 175 Vadose zone , 60
Threshold velocity , 110, 111 Van den Akker, J.J.H. , 53
Thuja occidentalis , 117 Van Der Perk, M. , 149
Tillage , 8, 38, 45, 46, 51–58, 69, 70, 72, 74, Vegetables , 6, 90, 91, 93, 104, 116, 150,
75, 77, 79, 81, 83, 84, 86, 87, 89, 114, 183, 184, 196, 198, 201, 203,
150, 164 205, 206
Tobacco , 135 Vertisols , 23–24, 50
Toluene , 156, 161, 177, 180, 181, 184, Viburnum trilobum , 116
186, 189 Vietnam , 33, 127, 165
Tomato , 135, 145, 159, 198, 204, 205, 207 Vinyl chloride , 176, 181

Topramezone , 169 Vitrification , 149, 184, 210, 212
Toxicity reduction , 183 Volcanic eruption , 12, 170
Toxic metals , 171, 174, 206 Volcanoes , 12, 13
Triazine , 166, 168
Trichloroethylene (TCE) , 176, 181, 186, 189
Triclopyr , 168 W
Trifluralin , 168, 169 Waste Rock , 173

Triticale , 130, 135, 145 Wastes , 33, 34, 70, 149–161, 172, 173,
Tritium , 175 175–177, 180, 181, 184, 187–191, 196,
Tropical soils , 9 197, 200, 207, 211–213
Tundra , 1, 2, 8, 12, 22 Wastewater , 156, 160, 161, 172, 173, 177, 190,
Turelle, W.J. , 111 191, 196, 207, 213
Turnip , 135 Water cycle , 27
Water erosion , 1, 10, 35, 36, 61, 64,
69–98, 129
U Waterlogged soil , 6, 59
Ulmus Americana , 117 Watermelon , 135
Ulmus pumila , 189 Water quality , 27, 28, 80, 84, 85, 95, 105
Ultisols , 22–23, 128, 140 Watmough, S.A. , 133
Umbrisols , 15, 18 Weapons , 33, 175
United Nations Convention to Combat Weatherable minerals , 12, 22

Desertification (UNCCD) , 35, 62 Weber, J.B. , 169
United Nations Educational, Scientifi c and Wet deposition , 133, 170, 171, 176
Cultural Organization (UNESCO) , Wetlands , 2, 8, 17, 57, 58, 60, 204
34, 142 Wheat , 12, 31, 88, 104, 111–116, 119, 128,
United Nations Environment Programme 130, 135, 141, 145, 196, 203,
(UNEP) , 34, 35, 105, 127, 178 204, 209
United States (USA) , 9, 11–14, 17–20, 22, 24, White clover , 130, 135
25, 28, 51, 52, 56, 62, 69, 78–81, 83, Wildlife , 4, 5, 16, 17, 60, 95, 174
84, 86, 103–105, 109, 118, 151, 153, Wilson, A.D. , 29
155, 158, 160, 175, 191, 194, 195, 214 Wind barrier , 116–117
United States Department of Agriculture Wind break , 93, 103, 111, 116, 117, 119
(USDA) , 4, 11, 73, 74, 76, 85, 87–91, Wind erosion , 1, 17, 35, 36, 51, 64, 88,
95, 96, 104, 111, 113–117, 144, 206 103–120
Universal Soil Loss Equation (USLE) , 80–82 Winter wheat , 113, 116, 130
Uracils , 168 Wischmeier, W.H. , 80
Uranium , 33, 161, 175, 189 Wolff, M.S. , 182