CX)NTENTS. 



m 



Pagp. 



Influence of ultraviolet raya on clilorophylI-<x»ntaining cells. Stoklaaa ^S 



The rf'lalion of ch!orof»hyIl formation to li^ht wave ler^:th. Schmidt. .V.V.V.V.' -^J 



A f'imvl'i apparat us for the study of jjhototropic responses in eee^jlings. Hoffer'. '. 29 



.'" " ■ '" '^dtic conditions, Heilbronn '. 26 



u iatum, Giddinge '>9 



'-.- , .. . . -.• ,- ..-.--. a. Mijller 09 



The j^en/jination of seeds ot ArLs<*;ma. Pickett 09 



The loij;<evity of submerged seedf?. Shull 30 



The asf-Irnilation of atmospheric nitrogen, Koveeei oq 



Bifxhemical influence of manganese, Pugliese 30 



Action of antimoniacal salta on reppLration of plants. Pallaxiin and Cohnptamm. . 30 



VolalUe a'^.ids in fermentation products of some anaerobic bax:terla, Seliber. . . 30 



Fatal temperatures for d iai?ta«js of animal or vegetable origin, T^odoresco 30 



Exf-retion of toxic substances by roots, Prianichnikov 3]^ 



Alterations in the forms of antagonism curves, Osterhout 31 



The influence of X-rays on vegetation, Miege and Coupe 31 



FIELD CHOPS. 



Plant bree^iing, Freeman and Uphof 31 



(Field exj>eriments], McOmie 31 



I Field crop trials], Scott 31 



I Field crops experiments], Garrett and Quereau 32 



"ield experiments, Wooas 32 



Experiments with farm crops in southwest Missouri, Hutchison and Douglass. . . .33 



Sf^il fertility problems, Stookey 33 



[Cultural and fertilizer experiments], Stookey .33 



Growingsucculent feeds for fall and winter use. — I. Root crops, Stookey 34 



Grovi-ing succulent feeds for fall and winter use. — II. [Winter crops], Stookey.. .34 



Summar\' of results [with] cereals. 1914, Saunders etal 34 



Reportofassbtant botanist. Belling .34 



Com, Ricks and Ames 34 



Com experiments, Williams and Welton 35 



Varieties, culture, and fertilization of com, Williams et al 36 



Saving hay crops, Blanchard 38 



Imy»ortance of thick seedin? in production of milo. Hastings 38 



Studies on oat breeding. — II, Selection within pure Lines, Surface and Pearl. . 3R 



Peanut growing in the cotton belt, Thompson 40 



Marketing Maine potatoes. More and Branch 40 



Potato growing in western Washington, Stahl 40 



Lime-sulphur r. Bordeaux mixture as a spray for potatoes, III, Munn 40 



Lirne-Eulphur injurious to potatoes. Hall 41 



Sudan graiss, Youngblood and Conner 41 



Turnips as a stock food , V.'oods 41 



The quality of home-grown versus imported wheat. Stewart and Hirst 41 



Yellow-berry in v,'heat, its cause and prevention, Headden 41 



HORTICULTURE. 



Summer treatment of greenhouse soil, Green 42 



Onions, spinach, cauliflower, and casabas, Garcia and Rigney 43 



[Report of the] horticultural department, Stahl 43 



Rhubarb culture, Stahl 44 



Piecommended varieties of fruit for Idaho, Vincent and Downing 44 



Standard varieties of tree fruits, Stahl 44 



Studies in fruit bud formation, Gourley , 44 



Fertilizer experiments on apple trees at Highmoor Farm, Woods 45 



Profits from spraying twenty-five Missouri orchards in 1914, Howard 45 



Spraying and thinning notes, 1914, Gourley 46 



Spring and summer spraying for the orchard , P^ees 47 



Spraying calendar, Vincent and Edmundson .-.--.--- ^Z 



Analy-ses of materials sold as insecticides and fungicides, Cathcart and W illis. . 47 



Syptcms of training berry canes. Stahl 47 



HarveKting the berry crops. Stahl ^^ 



Varieties of strawberries and raspberries, Stahl 47 



