INDEX 



403 



seedlings by, 67; systems, 72; year- 

 long, 72; deferred, 74, 97; deferred, 

 advantages of, 77; deferred crop- 

 ping vs. yearlong, (fig.) 77; deferred, 

 application of, 78; deferred and ro- 

 tation, plan for, 79; deferred, on 

 range of "winter annuals," 80; re- 

 seeding complications, 81; results 

 of faulty methods, 89; alternate vs. 

 continuous, 94; light vs. heavy, 95; 

 number of stock for nonsod pastures, 

 96; mixed, to remove weeds, 102; 

 destructive, how to recognize, 104; 

 effect of, on development of vege- 

 tation, 117; elBciency, 117; early, 

 avoidance of, to prevent erosion, 

 191; on woodlands, 197; effect of, 

 on timber reproduction, 198; dam- 

 age according to intensity of, 200, 

 (fig.) 201, 203; on farm woodland, 

 208; damage to tree growth, 209; 

 effect of goat grazing on timber re- 

 production, 210; essentials of effi- 

 cient regulation, 213; affected by 

 fires, 219; advantage over burning 

 in brush disposal, 228; relation to 

 fire control, (fig.) 230; tends to min- 

 imize fires, (fig.) 233, 235; proper 

 control necessary, 235; on lands 

 infested \vith poisonous plants, 244; 

 reconnaissance, 308; factors de- 

 termining length of period for, 312; 

 courses of study, 360, 364; destruc- 

 tive, indicators of, in grazing course, 

 374; reconnaissance, in grazing 

 course, 377; period of, in grazing 

 course, 385; general instruction in, 

 in grazing course, 389; subjects for 

 general instruction, 390; schools 

 for professional training in, 390; 

 general instruction in, coordinated 

 with departments of botany, agron- 

 omy, and animal husbandry, 390. 

 Grazing capacity, of nati\e western 

 grounds, 39; optimum and maxi- 

 mum, 62; affected by jearlong graz- 

 i"g> 73; amount reser\-ed for de- 

 ferred grazing, 78; increased by 

 seed production, 81; decline of, 

 on farms, 93; result of alternate 

 cropping on, 94; decline in, due to 

 faulty management, 104; indicators 

 of slight departures in, 107; data 

 from which derived, 318; study of, 

 by Forest Service, 326, 328; de- 

 fined, 328; steps to be taken in 

 study of, 330; of ranges and pastures, 

 330; of National Forests in cow 

 units, 331; of public-domain lands 



in Western States, (fig.) 332; for 

 cattle, improved by sheep grazing, 

 334; points to be considered in study 

 of) 339; for study in grazing course, 

 371, 372, 378. 



Grazing control, 9; by homesteading, 

 10; by Government, 10; area pro- 

 tected by Forest Service, (fig.) 11; 

 by creating National Forests, 17; 

 by European Governments, 23; in 

 India, 26; results of, 28; solution 

 of erosion pasture problem, for study 

 in grazing course, 375. 



Grazing lands, economic importance of, 

 4; native western, 39; reseeding to 

 cultivated forage plants, 39; study 

 of, in grazing course, 366. 



Grazing permits, 27; for study in 

 grazing course, 366. 



Grazing reconnaissance, objects of, 

 307, 308; history of, 309; data and 

 facts obtained by, 311; parts com- 

 prised in, 312; methods of obtain- 

 ing data, 318; compared with timber 

 reconnaissance, 321; application to 

 pasture management, 323; accuracy 

 and limitations of, 323; first step 

 in study of grazing capacity, 330; 

 in range and pasture inspection, 

 334; study of, in grazing course, 377. 



Grazing system, need of, 61; as prac- 

 ticed in West, 72; yearlong grazing, 

 72; yearlong protection, 73; deferred 

 grazing, 74; advantages of deferred 

 grazing, 76; deferred vs. yearlong, 

 (fig.) 77; apphcation of deferred, 78; 

 rotation, 79; limitations of deferred, 

 81; "blanket" recommendations, 92; 

 deferred grazing on nonsod pastures, 

 97; advantage of deferred grazing 

 over yearlong protection, 126; de- 

 ferred and rotation grazing to pre- 

 vent erosion, 192; study of, in grazing 

 course, 373. 



Grazing t>T)es, classification of lands 

 into, 312; represented on maps, 317; 

 descriptive report of each type, 318. 



Greasewood, on desert range of Great 

 Basin, 7. 



Great Basin, the, 5; location, 6; typ- 

 ical desert range, (fig.) 7; native 

 vegetation, 7; irrigation, 8; study 

 of erosion at Grazing E.xperiment 

 Station, 177; effect of burning, 222; 

 winter desert range, (fig.) 332; pasture 

 lands, for study in grazing course, 

 365; investigations in, for study in 

 grazing course, 376. 



Great Plains, the, 5; location, 5; rain- 



