INDEX 
Cooperative research, 417-18 
Cooperative surveys, 182, 391-92 
Cynodon dactylon, 186, 338, 398 
Dactylis glomerata, 338, 346 
Daemia tomentosa, 399 
Pulls, 18.5 On 
Danithonta californica, 352 
Davie Bs. 352 
de Cillis, U., 187 
de Martonne, E., 6 
Demonstration areas, 433 
Denmark, wind power, 62 
Desert agriculture, Israel, 390-413 
Desert Symposium in Israel, 35 
Deserts, man-made, 21, §9, 124-25, 
IVO=BM, DIOR, Qi 
Dew, 409-10 
needed research, 432 
Directory of institutions, 432 
Donkey, grazing area, 377-380 
Dominican Republic, water budget, 
7 
Diaz O- Ol, 370 
Drought, 52, 343 
enduring plants, 12, 344 
enduring animals, 15, 334, 372-80 
escaping animals, 13 
escaping plants, 11, 344 
evading animals, 13 
evading plants, 11-12 
ECIEEOM, FO, GOO, NAG, We 
73 
resistant animals, 14-15 
resistant plants, 12, 343, 424-25 
Drought resistance, genetic bases, 
My 5e 
physiological bases, 344-47 
Drouhin, G., 122 
Dry-land farming, 18-20, 42-43, 
95, 98, 227-32, 390 
Dubief, J., 88 
Duishercomes C2022 aK 
Duvdevani, S., 409 
447 
Ecology, 392, 431 
Economics of water, 263-66, 274—- 
76, 320-28 
Economics, needed research, 324 
Edgeworth, D. W. T., 128 
Erharta calycina, 338, 346, 347 
Elymus glaucus, 346 
Eragrostis species, 238, 401 
Erodium species, 352, 354 
Erosion, accelerated, 31, 117, 175, 
228, 234, 242 
Esparto, 22 
Eucalyptus rostrata, 400 
Euphorbia species, 414 
Evaporation, 69-73, 197-98 
Evapotranspiration, 52-53, 67-73, 
95-96 
conditions affecting, 73 
potential, 53, 67, 70, 73, 158 
Experimental settlements, 392, 410 
Egypt, range experimentation, 186, 
SOSo 
water budget, Gaza, 75 
Farm credit, 86, 229 
Fertilizers, 357-58 
Festuca arundinacae, 346 
Festuca idahoensts, 362 
Festuca myuros, 352 
Flood frequency, 89, 101, 118 
Flood plains, 116, 408 
Florida, evaporation, 72 
Food and Agriculture Organiza- 
tion, 49, 59, 179, 182, 331, 335 
Forests, relation to grazing lands, 
187, 242, 251 
Frandsen, K. J., 350 
French Morocco, demineralization 
research, 276 
range improvement, 182, 186 
saline research, 273 
Fries, M., 167 
