CONTENTS. Ill 



Page. 



Stimulation of nutrition of plants, Micheels 222 



Synthesis and breakiiij^ down of organic nitrogen in j)lants, Schulzc 223 



Formation aud j)hysi()logical use of pentosans in plants, Calal)resi 223 



Calcium salts and assimilation of nitrate nitrogen, Yermakov 223 



Tubercles on legumes with and without cultures, Sheldon 223 



FIELD (Kors. 



Report on agricultural investigations in Alaska, 1905 [Field crops], Georgeson. 224 



Report on agricultural investigations in Hawaii, 1905 [Field crops], Smith... 225 



Report on agricultural investigations in Porto Rico, 1905 [Field crops]. May. 226 



Report of the agriculturists, Brooks, C'liurch, and Haskell 226 



Influence of exju'rinicnt-station work on t'ulture of tield crops, Schutel 227 



Experiments with grain and forage plants, 1905, Moore and Stone 227 



Wyoming forage plants and their chemical composition. Knight et al 229 



Forage crops grown at Coast Land Experiment Station, Garrison 229 



Farm practice with forage crops in western Oregon and Washington, Hunter. 229 



Diversihed farming in the cotton belt, Spillman et al 230 



Summary of press bulletins 230 



Business of seed and jilant introduction and distribution, Pieters 230 



Experiments on germination of new harvested seed, Eberhart 231 



Effect of inbreeding in plants, Shamel 231 



Breeding of cereals by means of artificial crossing, Tschermak 231 



Feeding value of soiling crops at different stages of growth, von Feilitzen 232 



Alfalfa as a forage crop of Pennsylvania, Watson 232 



Inoculation experiments with alfalfa and soy beans, Russell and Moore 232 



The improvement of corn in Pennsylvania, Wing 233 



Eureka silage corn, its value for Massachusetts farmers, Lindsey and Smith. . 233 



Variety and distance tests of corn and cotton, Kilgore et al 233 



Cotton experiments, Newman 233 



Cultivation of maguey in the Philippine Islands, Edwards 234 



Composition of soy beans, Frear 234 



Experiments with sugar beets, season 1905, Woll, Moore, and Stone 234 



Dark fire-cured tobacco of Virginia, INIcNess and Mathewson 235 



The composition of turnips and swedes, Hendrick 235 



Winter wheat, Wiancko and Fisher 235 



The flinty condition of wheat, Ferle 236 



HORTICULTURE. 



[Horticultural investigations in Alaska], Georgeson 236 



Report of the horticulturist, Henricksen 236 



Report of the horticulturist, Waugh 236 



Horticultural work 237 



The book of market gardening. Castle 237 



Excessive feeding as factor in producing variation in tomatoes, Sandsten 237 



Rhubarb culture, Kunath 237 



Rhubarb culture in England, Skahveit 237 



New fruit productions of the Department of Agriculture, Webber 237 



Promising new fruits, Taylor 238 



Relation of early maturity to hardiness in trees, Emerson 238 



Conditions which affect time of annual flowering of fruit trees, Sandsten 238 



New o])portunities in su])tropical fruit growing, Rolfs 239 



The handling of fruit for transj)ortation, Powell 239 



Small fruits in 1904, Pillsljury 239 



Cranberry investigations, Wliitson, Haskins, and Malde 239 



Tannic acid as a fertilizer for grapes, Cavazza 240 



Report of the coffee specialist. Van Leenhoff 240 



Cross i)ollination of almonds, Dargitz 240 



Progress in drug-plant cultivation. True 241 



Hybrids and liybridization among lni]1)ous plants, Van Tubergen 241 



Compilation of analyses of fruits, garden crops, and insecticides, Haskins 241 



