CONTENTS. Ill 



Page. 



Moor culture plat experiments, 1910, von Feilitzen and Batiman 427 



The problem of ''bare patches," Hargreaves 427 



Carbon bisulphid as soil renovator, Van Hall 427 



Citrus experiments, Blair 427 



Heavy root feeding and the dungheap, Hendrick 427 



The production, control, and use of commercial fertilizers, Alexander 427 



Vegetation experiments with miscellaneous fertilizers, Lipman et al 427 



Nitrogenous fertilizers for spring grains and root crops, Hansen 428 



Cyanamid in complete fertilizers 428 



After effects of phonolite as a potash fertilizer, Rhodin 428 



Potash in China, Bergholz et al 428 



The settlement of the potash controversy 429 



Preparation of dicalcium phosphate, Palmaer 429 



On the after effects of phosphate, Soderbaum 429 



Use of lime on land ". 429 



Fertilizers, Cathcart 429 



Tabulated analyses of commercial fertilizers, Frear 429 



AGRICULTURAL BOTANY. 



Plant phvsiologv, Duggar 429 



The plant cell, Haig 430 



Studies on the influence of low temperatures on plant cells, Schaffnit 430 



The water supply and osmotic pressure conditions of desert plants. Fitting 430 



Contribution to the study of circulation: Studies on the sweet potato, Groth. . 431 



On the metabolism of ripening seeds, Zaleski 431 



Effect of light and changes in temperature on germination of seed, Pickholz. . 431 



Photosynthesis and production of dry matter in various lights, Lubimenko.:. . 431 



Pigment formation with Azotobarter chroococann, Omeliansky and Ssewerowa.. 432 



Mineral foods in soils and their relationship to plant growth, Dezso 432 



The retention of mineral matter by annual plants, Andr6 432 



The relationship of organic phosphorus in ripe seeds, Parrozzani 432 



Utilization by higher plants of organic nitrogenous substances, MoUiard 433 



The action of stimulants on respiration of plants, Ivanov 433 



Action of methyl and other alcohols on plants and micro-organisms, Bokorny. . 433 



Investigations on the effect of formaldehyde on green plants, Grafe 434 



The effects on vegetation of atmospheric impurities, Crowther and Ruston.. . . 434 



On the systematic position of Zea mays, litis 434 



Injurious bacterial conditions in soils and soil purification, Emmerich et al 435 



Bacteriological relations under greenhouse conditions, Lipman and Owen.. 435 



On nitrate and nitrite assimilation, Baudisch 435 



International catalogue of scientific literature. R — Bacteriology 435 



FIELD CROPS. 



[Tests of field crops], Scott 435 



Report of as,sistant botanist, Belling 436 



[New Jersey experiments with field crops], Minkler 436 



Grass and clover seeds at Cockle Park, Gilchrist 437 



Forage plant culture in Switzerland, Elofson 437 



Cooperative variety tests and fertilizer experiments, Zealand, 1910, Larsen 437 



Annual report of agricultural stations, Bengal, 1909-10, Smith 437 



Permanent and temporary pastures, Sutton 437 



The farm grasses of Ohio, Williams 437 



A heretofore unnoted benefit from the growth of legumes, Lyon and Bizzell. . . 437 



Grimm alfalfa and its utilization in the Northwest, Brand 438 



Suggestions for beginners in alfalfa culture, Wiancko 440 



Barley: Growing the crop, Derr 440 



Boulouba fiber, Braun 440 



Variety tests with red clover, 1898-1910, Ltndhard 441 



How to grow more and better corn, Goss, Wiancko, and Abbott 441 



Annual report of the Kalimpong Demonstration Farm for 1909-10, Goodwin. . . 442 



Cotton growing in the Cape Pro\dnce, Van Ryneveld 442 



General report of the cotton commission, 1910 442 



Report of field trials on manuring mangels, 1907-1910, Milburn and Gaut 442 



Millets of the genus Setaria in the Bombay Presidency and Sind, Gammie 442 



Potato spraying experiments in 1910, Stewart, French, and Sirrine 442 



Dry weather tests potato spraying. Hall 443 



