Index. 641 



Composition of — (Continued). paqh. 

 feeding stuft's 534 



fertilizers 33, 138 



incomplete fertilizers 140 



potato, influence of potash salts. 611 



sugar beet 191 



partial, of potatoes 607 



urine, milk and feces 504 



Concentrated extract of tobacco for plant lice 475 



Control of temperature in biological and dairy building 9 



Copper sulphate, saturated solution 228 



stock solution for Bordeaux mixture 228 



Corn, composition 556, 564 



food value i 555 



stover. (See Maize stover.) 



Corrosive sublimate treatment for potato scab, value 420 



Cost of plant food in fertilizers 34 



production of sugar beets 189, 202 



at Station 593 



Cottonwood leaf beetle, repression 22 



Cucumber beetle, striped, damage to cucumbers 347 



crop, failure, cause of 347 



downy mildew 345 



appearance 428 



botanical relationship 354 



climatic conditiong favoring 353 



damage by 349 



expense of treatment 363 



gain from prevention by Bordeaux mixture. 362 



history 355 



host plants 354 



nature 351 



prevention by Bordeaux mixture 356 



shade as a preventive 432 



treatment 19 



/ weather conditions affecting 428 



leaf structure 350 



41 



