1917] CONTENTS. Ill 



Paee. 



Thegrowth of forest tree roots, McDougall 27 



The toxicity of bog ^vater, Rigg 27 



Experimental cultures of plants on the seashore, Daniel 27 



Establishment of varieties in Coleus by selection of somatic variations, Stout. . 27 



Mutation in Matthiola annua, a "Mendelizicg " species, Frost 28 



Moi-phological characters and saccharin content of sugar beets, Pritchard 28 



Anomalies in Beta vulgaris, Munerati and Zapparoli 28 



Green manures and manuring in the Tropics, de Somay, trans, by Flattely . . . 28 



FIELD CROPS. 



Heport of field crop work at the Georgia Experiment Station], McClelland. . .*. 28 



Report of field crop work], Ray, Eklof , Peterson, and Graves 29 



Report of field crop work at the Aberdeen substation], Aicher 30 



Report of field crop work] 30 



Irri^tion experiments with alfalfa, sugar beets, potatoes, and wheat 30 



Vanety testing and crop improvement 32 



[Report of field crop work] 32 



Farm crops 32 



Alfalfa fertilizers, Brown 33 



Phosphorus and potassium requirements of barley plant during growth, Pember. 34 



Report on com and cotton varieties, 1916, McClelland 35 



Farm practice in the cultivation of cotton. Gates 36 



A study of cotton market conditions in North Carolina, McConnell and Camp. . 36 



Handling and marketing Durango cotton in Imperial Valley, Martin and White. 37 



Foxtail millet. — Its culture and utilization in the United States, Vinall 37 



Potato gro^ving in Colorado, Sandsten 37 



[Field experiments with potatoes at the Jerome substation], Dewey 37 



Themanagement of tobacco soils, Johnson 37 



A study of Colorado wheat, III, Headden 38 



Dry-farmed and irrigated wheat, Jones, Colver, Kelly, and Hays 39 



Commercial agricultural seeds, 1916, Woods ". 40 



HORTICULTURE. 



[Report of the] department of horticulture, Stuckey 40 



[Some results of horticultural work] 40 



[Report on horticultm'al investigations] 40 



[Report of the] division of horticulture 40 



Hotbeds and cold frames, Limbocker 41 



[Experiments with tomatoes and cucumbei's] 41 



Fruit grooving for amateurs, Thomas and Gardner 41 



Fruit varieties for Maine, Brown 41 



A valuable unpubHshed work on pomology, Ricker 41 



The pruning manual, Bailey 41 



Pruning problems in the Hood River Valley, Brown 41 



Influence of commercial fertilizer on bearing apple tree, Lewis and Brown 41 



Experimental dusting and sprajing of peaches. Chase 42 



"VMiat the experiment station peach orchard has cost and produced, McCue ... 42 



Experimental in-\'estigations of the plum {Prunus domestica), I, Feruglio 42 



Strawberry growing, Fletcher 42 



The forcing of strawberries, Kinnison 43 



Marketing and distribution of strawberries in 1915, Schleussner and Gilbert 43 



Beha\T.or of the root sjstem of various graft stocks, Ra^-az 43 



Oil percentage in different varieties of oUves, Laffer 43 



Citrus fertilization experiments in Porto Rico, Kinman 43 



Some profitable and unprofitable coffee lands, McClelland 43 



What tea planters can and must do for selection, Stuart 43 



Investigations on tea fermentation, Bosscha and Brzesowskj- 44 



Report on varieties of pecans at the Georgia Station, Stuckey 44 



Breeding for atropin. Amy 44 



Planting the home grounds, McFarland 44 



Decorative shrubs and trees, Wolf 44 



How to grow chryeanthemums, Clayton 44 



