INDEX OF SUBJECTS. 



987 



Potash— Continued. Page. 



imports and use in United States 321 



mica, decomposition by soil bacteria and 



yeast 121 



minerals in soils, U.S.D.A 720 



salts, drilling v. broadcasting 123 



salts, imports into United States 726 



salts in sugar beets, studies 325 



salts, trade in 29 



salts, Wittelsheimer, composition and use 519 



solubility in mixed fertilizers 207 



sources in United States 321 



statistics for 1914 30 



world-wide search for 323 



Potassium — 



assimilation by plants 219 



bichromate, effect on milk 507 



chlorid, effect on activity of soil bacteria. 821 



chlorid, fertilizing value 829 



chlorid, fertilizing value, Fla 731 



chlorid for citrus fruits, P.R 634 



chlorid, imports into United States 726 



effect on grapes, N.Y. State 339 



effect on yield of rubber 444 



hydroxid and sulphur, reaction between. 409 



importance in animal nutrition 663 



nitrate, effect on wheat seedlings 426 



nitrate, fertilizing value 518 



oxid, determination in soils 313 



palmitate, use in water analysis 502 



permanganate as a soil disinfectant 621 



peimanganate solution, standardization . 501 



phosphate, effect on wheat seedlings 426 



silicate, fertilizing value. : 820 



sulphate, effect on activity of soil bacteria 821 



sulphate, fertilizing value, Fla 731 



sulphate for citrus fruits, P.R 634 



sulphate for sweet potatoes, Ga 437 



sulphate for tobacco 738 



sulphate, imports into United States 726 



Potato- 

 beetle, Colorado, on Pacific coast 254 



black canker, treatment 149 



blackleg, notes, Conn.State 641 



blight, notes 641 



blight, notes, N.Mex 746 



canker, notes 243 



clubs, suggestions for 793, 794 



diseases, notes 841 



diseases, notes, Idaho 232 



diseases, notes, Mich 543 



diseases, notes, N.J 52 



diseases, review of investigations 51 



distillery refuse for sheep and cattle 766 



early blight, varietal resistance to, Vt 643 



flakes, analyses 766, 864 



growing contests in Canada 194 



late blight, spread from seed potatoes 447 



late blight, varietal resistance to, Vt 643 



leaf roll, notes 52,149,345,543 



mosaic disease, studies and bibliography. 52 



pink rot, studies 543 



powdery scab, description, U.S.D.A 149 



powdery scab, notes 842 



powdery scab, notes. Me 243 



refuse, digestibility 767 



Potato— Continued. Page. 



refuse , steaming and ensiling 467 



rot, notes 145 



scab, notes 243 



scab, varietal resistance to, Vt 643 



sUage, analyses 864 



silage, composition and digestibility 467 



stalk or sclerotium disease, notes 539 



starch, studies 828 



storage rot, notes 345 



survey in New York 225 



tuber worm, insensitivity to poisons 756 



wart disease, control in Great Britain 149 



wart disease, treatment 842 



Potatoes- 

 aerial tuber on 529 



analyses Co, 433, 864 



as affected by potash 333 ' 



calcium cyanamid for 524 



culture 528 



culture, Idaho 231 



culture, Iowa 232 



culture. Wash 435 



culture experiments 42, 732, 829 



culture experiments, Utah 430 



culture in Wisconsin 736 



curly dwarf, notes, U.S.D.A 748 



desirable types, Vt 643 



effect on composition of urine 761 



electro-culture experiments 428 



fertilizer experiments 31, 



30, 41, 129, 133, 328, 333, 421, 820, 822, 829, 833 



for pigs 667 



fumigation with carbon bisulphid 756 



Fusaria of 447 



green manuring experiments, Ga 438 



ground, analyses 65 



growth in a cave 521 



insects affecting, Idaho 232 



irrigation, Nebr 328 



marketing. Wis 893 



mutation in 137 



origin 137, 833 



oxidases in, U.S.D.A 748 



Pearl, bastard type 833 



planting experiments. Me 132 



preservation with lactic acid starter 467 



quarantine regulations, U.S.D.A 149 



radio-active fertilizer for 129 



relation of tops to roots 733 



root systems 515 



seed, inspection and certification 345 



seed, inspection in Wisconsin 736 



seed, selection and treatment 333 



seedling, culture, Vt 643 



spraying experiments, N.Y. State 137 



steamed, composition and digestibility. . . 467 



steaming and ensiling 467 



storage in sand 736 



surplus, utilization, U.S.D.A 149 



transpiration as affected by sprays 825 



V. artichokes for forage 433 



varietal response to Bordeaux niixture,Vt 643 



varieties 42, 133, 333, 528, 732, 733, 829 



varieties. Can 829 



varieties, Ga 438 



