Page 552 - Biosystems Engineering

524 Inde x

Tustin discretization rule, 81. See also vermicomposting, 493–495
discretization bed preparation, 496–497, 497f
2DSOIL, 144 harvesting, 497–498
humidification and, 495, 496f
loading, 496–497
U U maturity, 497–498
ultrafiltration membrane, 305–306, process of, 493, 494f
306f. See also filtration recyclable organic waste and,
ultrasonic vibration, 287 493–495
universal soil loss equation (USLE), technology of, 496–498
114–115. See also soil vermiwash, 498, 498t
unsaturated fatty acids, 368–369 visible and near infrared (VIS/NIR)
unsupervised learning, 6, 32 spectroscopy, 489–490
urea VIS/NIR spectroscopy. See visible and
fruit mineral content and, 435 near infrared spectroscopy
fruit thinning with, 431–432, 436–437 vitamin E, 461
NAA and, 435
U.S. Clean Water Act (CWA), 169–170.
See also water W W
U.S. Department of Agriculture
(USDA), 350–351 wastewater, olive oil extraction, 394
U.S. Environmental Protection Agency water. See also hydrological cycle
(USEPA), 169 balance, 173
USDA. See U.S. Department of BMP, 117–118
Agriculture conductivity, 137
USEPA. See U.S. Environmental content, critical, 136
Protection Agency crop, demand, 200–201
USLE. See universal soil loss equation drainage, 207–209
evaporation, 93–94, 100
irrigation
V V application efficiencies, 205–206
Vallez filter, 293. See also filtration excess, 210
vaporization, 100. See also saturation filtration of, 206
vapor pressure quality of, 195
variable source area, 108 saline, 210–211
vegetable oil leaf, potential, 199–200
ARA production by fungi and management, 197–200
supplementation with, 457–458 system, 195–196
biodiesel processed from, 254 plant
calorific value, 259 needs and, 198–200
CN, 256–257, 259 relations and, 197
degumming, 256–257 runoff, 107–108
emission, measurement of, 260 soil, 140
engine use of, 256 content, 127
long-term use of, drawbacks to, 256 flow of, 142
NMR, 258, 258f movement of, 105, 196
nonedible, 255 plants and, 195
performance, measurement of, 260 retention of, 134–135, 196–197, 196f
phenolics in, 384 temperature and conductivity of, 137
products of, analyzing, 257–258 thermal conductivity and, 141
properties of, 259, 260t volume management, 119
transesterification of, 256–257 water conservation, 91–122
analyzing products, 257–258 agricultural practices and, 91
property measurement and, hydrological cycle and, 92–97, 93f
258–260, 260t stages, 92
transesterified, 265–266 water quality
load effect on performance of, irrigation, 195
260–261, 261f issues, dealing with, 211
viscosity, 256, 259 NPS pollution, 170
vegetation cover, 140 treatment, 119