CONTENTS. Ill 



I'aiie. 



[Fertilizer markets, 1910] 25 



Analysis of fertilizers, Rose and ileimburger 25 



Analyses of fertilizers 25 



Commercial fertilizers, Ilite and Kunst 25 



AGRICULTURAL BOTANY. 



Action of anodic and cathodic liquids on germination, Micheels 25 



The action of an alternating current on germination, Micheels and De Keen 26 



The effect of salts on the respiration of plant.s, Reinhard 26 



The function of hormones in stimulating enzymic change, Armstrong 26 



Investigations regarding the phloem and food conduction in plants, Agrelius. . 27 



Phototaxis, assimilation, and growth, Dangeard 27 



Metabolism and translocation in young conifers, Bauer 27 



The morphology of leaf fall, Lee 27 



The glucosid of pear leaves and its role, Bourquelot and Fichtenholz 27 



The behavior of tannin in persimmons, -with some notes on ripening, Lloyd 28 



The effect of the frosts of the winter of 1908 9 on vegetation, Chittenden 28 



Plant acclimatization in southern Arizona, Thornber 28 



Weeds in relation to the soils on which they grow, lirenchley 28 



Physiological aspects of fertilization and hybridization in ferns, Hoyt 29 



Do ferns hybridize? Benedict 29 



Naudin and Mendel's law relative to the segregation of hybrids, Blaringhcm 29 



The mutation theory, II, De Vries, trans, by Farmer and Darbishire 29 



Inheritance of the yellow tinge in sweet pea coloring, Thoday 30 



A spineless mutation of Cynara cardunculus, Trabut 30 



International catalogue of scientific literature. M — Botany 30 



FIELD CROPS. 



A report of seven years' investigation of dry farming methods, Merrill 30 



Dry farming: A system of agriculture under a low rainfall, Widtsoe 31 



References on plant breeding, Fruwirth 31 



The importance of the origin and improvement of grasses and clovers, Wittc. . 32 



Indigenous and acclimated forage crops of Argentina, I, Girola 32 



[Experiments with field crops, Barbados 1909-lOj, Bovell 32 



[Experiments with cotton and sugar cane], Corrie and Mitchell 32 



[Manurial experiments with potatoes and turnips], Macpher.«oii 32 



A successful alfalfa and truck farm in southeastern Ohio, Lloyd 32 



The phosphoric acid and potash requirements of meadows, Liecht i 32 



Field trials on the liming of meadow land, 1906-1909, Milburn and Gaut 33 



Trials with grass mixtures in 3-year meadows, 1883-1902, Nielsen an d Lindhard . 33 



Yields of grasses of different species, 1879-1907, Nielsen and Lindhard 33 



Seeding lawns and permanent pastures 33 



Tests of Chile saltpeter under small grains, Jancso 33 



Some data on work with buckwheat, Althausen 33 



Schabdar clover, Trabut 34 



Fermentation in the hay rick, Wale and Keable 34 



Com secrets, Holden 34 



Com gi'owing in Louisiana, Roy 34 



The chemical composition of the different parts of the corn plant, Weiser 34 



Uniform distribution of seed in planting compared with a varied distribution. . 34 



Cotton-growing experiments in Mexico, Miller 34 



Cotton crop of Peru, Miller 34 



Notes on hops, Salmon 34 



The hop garden 35 



Trials with mangel seeds from large and small roots, Helweg 35 



Factors influencing the jield of oats, Demaree 35 



Field trials with oat varieties, 1901-1908, Hansen and Mortensen 35 



Tenth year's trials with root crops, Helweg 35 



The newer fertilizer tests with beet seedlings, Sempolowski 35 



The sugar beet industry in Nevada, Knight 36 



[Variety tests and analyses of sugar cane], Corrie 36 



The Composition of wheat, Ames 36 



Improvement in the wheat from Central Proviiices, Evans and Humphries 36 



An examination of the seed supply of the Broach District, Mehta 36 



