Arizona Agricultural Experiment Station 



639 



Potatoes, Irish: 

 at University Farm. 1920: 473-474. 

 at the Yuma Station. 1920: 473-474. 

 cultural tests. 1918: 311; 1919: 442- 



443 ■ 1921 : 592. 

 diseases.' T. H. 136; 1921: 612. 

 in Salt River Valley. 85: 9, 51-53. 

 on Prescott Dry Farm. 1918: 293. 

 seed: 



infested by seed-corn maggot. 1921: 



584. 

 production. 1920: 473. 

 TREATMEXT OF, FOR SCAB 

 AND BLACK SCURF. T. H. 

 136. 

 storage tests. 1918: 310-311; 1919: 



443; 1920: 473. 

 transpiration ratio of plants. 88: 208. 

 variety tests. 1919: 442-443; 1920: 

 473; 1921: 593. 



Potatoes, sweet: 

 amount to plant. 1921: 593. 

 commercial storage tests. 1919: 443- 

 444; 1920: 474; 1921: 593. 



POULTRY BREEDING CONTEST. 

 Cir. 41. 



Poultry Husbandry. 1919: 463; 1920: 

 483-484; 1921: 616. 

 projects. 1921: 616. 

 Precox olive, the. 94: 524, 525. 

 Prescott Dry Farm: 

 corn. 1918: 293; 1919: 416. 418; 



1920: 443; 1921: 566. 

 fruit orchard. 1920: 471, 472; 1921: 



594. 

 legumes. 1918: 293; 1919: 417-418. 

 420; 1920: 440, 442-443; 1921: 

 564-566. 

 potatoes. 1918: 293. 

 sorghums. 1918: 293; 1919: 416, 418; 

 1920: 443; 1921: 566. 

 Pressley, E. H. 1919: 456-462; 1920: 

 429, 433, 480-483; 1921: 554, 601- 

 605. 

 Prickly pears: 



as forage. 1918: 297. 

 PRODUCTION OF CLEAN MILK, 



THE. Cir. 37. 

 Prosopsis z'clutina (mesquite). 85: 42; 



1921: 584-585. 599-600. 

 Pruniis salicina. 1920: 473. 

 Pseudopcziaa medicaginis : 



causing leaf spot of alfalfa. 1921: 

 611. 

 Psidiiim gtiajava. 1920: 473. 

 Publications. 1918: 281-282, 299-300, 

 338, 340; 1919: 399; 1920: 431; 

 1921: 552-586. 



Puccinia antirrhini, causing rust of snap- 

 dragon. 1921: 615. 

 P. subnitens, causing rust of spinach. 

 1921: 614. 



Pttcraria Iiirsuta (Japanese Kudzu vine). 

 1918: 300-301. 



Quarantine: 



affecting seed cotton and cotton seed. 



87: 203-204. 

 against olive stock. 94: 498. 

 Qucrcus subcr (cork oak). 1919: 431; 

 1920: 461. 

 Q. subinollis and Q. utahcnsis (post 



oak). 1921: 577, 578. 

 Q. Tonmcxi. 1919: 430. 

 O. turbincUa (scrub oak). 1921: 577. 

 Quince. 1918: 303. 



Quinine bush or cliff rose (Cowania 

 Stansburiana) : 

 as a browse plant. 1921: 577, 578. 



R 



Radishes. 1918: 310. 



infested by seed-corn ma.ggot. 1921: 

 584. 

 Rag weed : 



sale of seed forbidden. Cir. 40. 

 Rainfall: 

 abundant. 1920: 449, 455. 

 Arizona, character of. 1921: 577. 

 scant. 1918: 297; 1919: 427; 1920: 

 442; 1921: 573, 576-577. 

 effects of. 1918: 297; 1921: 576. 

 Ramita, or mesquitilla (CaUiandra) : 



as a browse plant. 1921: 577. 

 Range, the grazing: 

 combating rodents en. 1918: 339; 



1919: 437; 1920: 468. 

 condition of. 1918: 297, 322; 1919: 

 421, 427; 1920: 449, 455; 1921: 

 573, 576-578. 

 poisoning of stock on. 1919: 429-430; 

 1920: 455-456. 

 Rape. Cir. 40, 1918: 293. 

 Raspberries. 1921: 594, 614. 

 Rat, Kangaroo. 1918: 3.v). 



Large, or banner-tailed (Dipodoniys 

 spcctabilis). 1919: 437; 1920: 

 468 1921: 583. 

 • Merriam (D. mcrriaiiti). 1919: 437. 

 Razza olive, the. 94: 5 17, 5!S. 

 Redewill, F. H. 94: 493. 

 Red Horn Calf Meal. 1920: 467. 

 Red top. Cir. 40. 

 Reed, J. R. 1920: 429. 



