Index. 233 



sheep, 84; by study of habits of growth, 62; 

 by use of soiling crops, 82; by spraying, 156. 



Fallow, use in weed eradication, 107; objections 

 to, 109. 



False flax, description of, 165; eradication of, 151. 



Farm animals, distribution by, 43. 



Farm implements, distribution by, 48. 



Feeda, home production of, 85. 



Feed stuffs, distribution by, 44. 



Fermentation of manure, 111. 



Fertility, increase of, as means of eradication, 88. 



Floods, distribution by, 51. 



Food value of weeds, 19. 



Foxtail^ description of, 191; eradication of, 194. 



Freedom from weeds, increase of profit by, 36. 



Frenchweed, description of, 168; eradication of, 

 151. 



Grain, cleaning for seed, 16; screenings, dis- 

 tribution of weeds by, 77; seed,, distribution 

 by, 41. 



Grass, couch, 176; dropseed, 179; pigeon, 191; 

 quack, 176; scutch, 176; summer, 191; 

 vanilla,. 179; wheat, 179. 



Grasses, eradication of weedy, 175. 



Grass family, weeds of. 175. 



Grass seed, distribution of weeds in, 41. 



Grazing with sheep, eradication by, 84, 93. 



GromweU, 218. 



Home production of feeds .as means of eradica- 

 tion, 85. 



Implements, distribution by, 48. 



Increase in farm profits, 36. 



Injuries from presence of weeds. 13; by crowd- 

 ing, 15; harbor for insects, 16; for plant dis- 

 eases, 16; by increasmg cost of cleaning 

 grain, 16; by shading, 15; by effect on 

 rotation, 18; by use of moisture, 14; by use 

 of plant food, 14. 



