742 iNDiSX. 



Plum leaf-spot — (Continued). p>.ok. 



eau celeste for 385 



experiments in treating 38b. 391, 396 



injurious effects 390 



nature 388 



results of treatment 26 



treatment recommended 386, 398 



Plums, notes on 290 



thinning 379 



varieties tested 291 



winter injury to 424 



yield increased by spraying 399 



Plusia hrassicae, notes on 620 



Potash, amount applied and removed by two crops of ootatoes. .. .115, IIG 



provisions of fertilizer law in reference to 133 



Potassium sulphide for carnation rust 469 



formula for use as fungicide 468 



injurious effect on spraying pumps 487 



soaliing carnation cuttings in 478 



spore germination in 172 



Potato beetle, Colorado, test of spraying mixtures for 609 



diseases, notes on 496 



Potatoes, blight of, prevention 28 



economy in using fertilizers for raising 107 



increased yield from spraying 499, 501 



internal browning of 504 



nitrogen applied and removed by two crons 113, 114 



phosphoric acid applied and removed by two crops 115, 116 



pimply 513 



cause of 29 



caused by cucumber flea-beetle 513 



notes on 511 



proportion marketable with different amounts of fertilizers. . 110 

 relation of plant food as applied and removed by two crops . . 112 



, yield to cost of fertilizer used Ill 



spraying 28. 498 



