CONTENTS. ITT 



rage. 



Experiments to determine the need of phosphoric acid and potash, Liechti. . . 120 



Lime aiul nitrate of soda in beet culture, Stoklasa •. 121 



Lime niter and calcium cyanamid, von Feilitzen 121 



A note on calcium cyanamid, von Feilitzen 1 21 



Nitric acid manufactured from atmospheric nitroj^en, Fries 121 



Preparin<^ ammonia and transforming it into nitrates, Dony-l icnault and (rail. 121 



Intensive nitrification and higli-yielding niter beds, Miintz and Lainc 121 



Sulphate of ammonia and nitrate of soda, Barcia y Trelles 121 



Nitrate of soda, Keane - - 121 



[Production^ exportation, and consumption of nitrate in 190.S] 121 



On the fertilizer action of peat nitrogen, Herrmann 122 



Potash fertilizing, iSchneidewind 122 



Notes on potash fertilizers, Bachelier 122 



The discovery of potash salts in Alsace, Pervinquiere 122 



The discovery of potash salts in I' j>i)er Alsace, Vogt and INIieg 122 



Tertiary potash deposits in Uj )] )er A Isace, Meinecke 1 22 



Norwegian potash fertilizers, Gram : 122 



The amount of potash annually carried into the sea by streams, Kris(;he 122 



Production and consuini)tion of i)liosphates in 1908-9 and in 1912, Maizicres. . 123 



Saving America's plant food, Mitchell 123 



Mineral resources of the United iStates, 1907. — Part II, Nonmetallic products . 123 



A much-neglected manure, Dixon 1 23 



Manganese as a fertilizer ^ 123 



Fish guano, Douglas 123 



The agricultural utilization of city sewage, Danckwerts 123 



Land utilization of sewage, Mawbey 123 



The agricultural utilization of sewage, Bechmann 123 



The agricultural utilization of sewage - 124 



The transportation of garbage, Benard 124 



The use of vinasse as a fertilizer, Libutti ■ 124 



"Molascinder," Prinsen Geerligs 124 



Molasses as a fertilizer, Ebbels and Fauque 124 



Report on fertilizers, Ross ., 124 



[Analyses of fertilizers], Rose and Heimburger 124 



Conmiercial fertilizers, Jones, jr., et al 124 



Inspection of commercial fertilizers for 1908, Haskins, AValker and Reed 124 



Inspection and analyses of commercial fertilizers, Hand et al 125 



Inspection of commercial fertilizers, Trowbridge 125 



Analyses of fertilizers — fall season, 1908, Kilgore et al 125 



AGRICULTURAL BOTANY. 



Colors and pigments of flowers with special reference to genetics, Wheldale.. 125 



Investigations on the etiolation of plants, Kriinzlin 126 



The permeability of the coverings of the seeds of barley. Brown 126 



The oriein of osmotic effects. II. — Differential septa, Armstrong- 126 



The utilization of saccharose by certain plants, Molliard 126 



Carbon dioxid transportation in leaves, Zijlstra 127 



The temperature of respiring plants 127 



The respiration of plants at temperatures below zero, Maksimov 127 



Experiments in the freezing of plants, Maksimov 127 



The effect of formaldehydegas on green plants, Grafe and von Portheim 128 



Experiments on the effect of flue dust on grass, Haselhoff 128 



.Apparatus and expedients in the bacteriological laboratory, Gage 128 



International catalogue of scientific literature. R— Bacteriology 128 



FIELD CRors. 



Arid agriculture, Buffum i29 



Crop production in western Nebraska, Snydi^r and Burr 129 



Methods of tillage and dry farming. Severance ■ 130 



Dry farming in \Vyoming, Towar Ij^t^ 



Irrigation -experiments at Brond)erg, (icrlach and Kriiger 131 



The influence of mineral fertilizers on certain Cyperacea', Geze 132 



Report of the committee on breeding cereals, Klinck et al 132 



Seed grain, Boss et al 132 



Variety testing, Mooers ^32 



