120 INDEX TO YEAEBOOKS, 1901-1905. ' 



Poplar, tulip, injury by Columbian timber beetle, 1903, 327-328. 



yellow. Forestry Bureau experiments, 1904, 453. 

 Poplars, destruction by bark-boring grubs, 1903, 320-322. 



use in home adornment, details, 1902, 512. 

 Poppy, cultivation, collection of juice, etc., 1905, 536-537. 



opium, experiments in cultivation, gathering, etc., 1903, 344-345. 

 production of opium, note, 1904, 32. 

 Population, rural, relation to roads, discussion, 1903, 455. 



United States, movement, 1904, 353-354. 

 Porizon conotracheli, plum curculio parasite, 1905, 327. 

 Pork, comparative food value of parts of hog, 1902, 393. 

 demand in South, 1905, 197. 



exports, 1901, 800; 1902, 863; 1903, 692; 1904, 733; 1905, 774. 

 inspection for export, 1902, 12-13. 



microscopic, note, 1903, 22; 1904, 21. 

 production under Southern conditions, 1904, 536-537. 

 Porosity and granulation of soil, value in growing crops, 1903, 163-164. 

 Port wines, making, 1904, 373. 

 Portland, Oreg., advantages as a port, discussion, 1901, 569-571. 



center, weather forecasting, States, 1903, 114. 

 Porto Rico, agricultural develojiment, remarks, 1901, 353, 507. 



industries, principal, remarks, 1901, 504. 

 investigations, historical notes, 1901, 504, 686. 

 alligator pear as promising crop, 1902, 24. , 

 banana growing, remarks, 1901, 354. 

 cacao growing, possibility, 1901, 356. 



coffee industry, improvements, study, 1901, 29, 358; 1902, 24; 1905, 46. 

 crop possibilities, suggestions, 1902, 24. 

 Experiment Station, appropriation and location, 1901, 509; 1903, 91. 



work, remarksof Secretary, 1901,75; 1902, 106; 1903, 

 90-91; 1904, 102; 1905, 116. 

 import of American-grown rice, note, 1902, 226. 

 irngation, 1904, 615. 



mangoes, growing, possibility, 1901, 359; 1902, 24. 

 orange growing, notes, 1901, 361. 

 pineapple growing, 1901, 361. 

 plant diseases, 1903, 555. 

 production of chayote, note, 1901, 357. 

 rubber as promising crop, 1902, 24. 

 sisal, growing, possibility, 190S, 24. 

 society for the promotion of agriculture, 1901, 507. 

 soil-survey operations, 1902, 62; 1905, 619. 

 Spanish and United States experiment stations, 1901, 508. 

 trade of United States, note, 1901, 106. 

 vegetable growing as an industry, 1901, 367. 

 Ports, farm products, rivalry, 1903, 480. 



wheat, of the Pacific coast, article by Edwin S. Holmes, jr., 1901, 567-580. 

 Post-office, display of crop reports, remarks, 1901, 112. 

 Posts, production from brush land in Nebraska, 1901, 210. 

 trees, useful in Nebraska, 1901, 214. 

 See also Fence posts. 

 Potash, effect on several crops, notes, 1901, 164. 



fertilizer, study by Roads Office, 1905, 110. 

 fertilizers, use on tobacco, 1905, 225. 

 in fertilizers for special crops, notes, 1902, 556-572. 

 permanganate, use as remedy in stock poisoning, note, 1901, 28. 

 use in growing roses, 1902, 554. 

 Potassium as plant food, importance, 1901, 162. 



cyanide, use against prairie dogs, 1901, 266. 

 Potato, color and flavor, influence on demand, 1904, 429. 



culture near Greeley, Colo., article by J. Max Clark, 1904, 311-322. 

 diseases, prevention, remarks, 1904, 127. 



review for year, 1901, 670; 1902, 717; 1903, 552; 1904, 585; 1905, 607. 

 fields, Greeley, Colo., size, 1904, 322. 

 growing in Colorado, irrigation methods and devices, 1904, 317-322. 



Maine, protection by spraying, 1902, 601. 

 rot, publications and experiments, remarks, 1903, 89, 540. 



