CONTENTS. Ill 



rage. 



Investigations on combustion of elementary carbon and nitrogen, Berthelot 321 



The electro-chemical problem of nitrogen fixation. Guye 322 



The lixation of the nitrogen of the air and lime niter, Rigaut 322 



The use of feldspathic rocks as fertilizers, Cushman 322 



Influence of calcium carbonate on yellow lupine in podzol soil, Khandurln_ 322 



Analyses of conunercial fertilizers, Ilartwell et al 322 



Commercial fertilizers. Hills and Jones ,323 



Ready reckoner fertilizer chart. Thacker 323 



AGEICULTURAL UOTAXY. 



Studies in plant regeneration. Kupfer ,323 



I'hysiologically balanced solutions for growth of plants, Loew and Aso 323 



Observations on the stimulation of plant growth. Kakehi and Baba 323 



Role of phosphoric acid in nutrition of plants. Balica-Iwanowska 324 



Effect of acids and alkalis on chlorophyll. Willsttitter and Hocheder ,324 



The ascent of water in trees. Ewart 324 



The nature of enzyms, II. E. and E. F. Armstrong 324 



The enzyms of yeast, amygdalaso. Caldwell and Courtauld ,324 



The action of naphthalin on plants, Aso 325 



Accumulation of arsenic in fruit of certain plants, Gosio 325 



Causes of injury to vegetation near industrial establishment, Frazer 325 



FIELD CROPS. 



The importance of nitrogen in the growth of plants. Hunt ,325 



A.ssimilation of nutrition by plants, Wilfarth et al., trans, by Emslie 327 



Report of royal Bohemian agricultural academy, 190G, Erben et al ,327 



Arid farming investigations, Jardine 328 



Dry farming in the Great Basin, Scofield 329 



Agronomy department, Atkinson 3,30 



Experiments with forage crops, Shepperd and Churchill 330 



Alfalfa in Maryland, Nash ,331 



Indian corn, its production and improvement, Crosthwait 332 



The selection of seed corn, Williams 332 



Descriptions of varieties of American upland cotton, Duggar . ,332 



Sea Island cotton: Its culture, improvement, and diseases, Orton 332 



A, B. C of cotton planting, Morris 332 



Bermuda hay 332 



Growing and curing hops, Stockberger 333 



Trials of oats, Speir ,333 



Experiments in crossing potatoes. Wilson 333 



Sugar beets. Chesnut 333 



Seeding canes and manurial experiments, d' Albuquerque and Bovell 333 



The estimation of cane crops, Ilamakers 333 



Relation of composition of leaf to burning qualities of tobacco. Garner — ,334 



The imjirovement of fire-cured tobacco, McNess et al 335 



The cultivation of turmeric 330 



Swedish plant breeding at Svalof 33G 



HORTICULTURE. 



Horticultural department, Fisher 33(> 



Report of the horticulturist, Garcia 3,37 



Second annu.il report of Ontario vegetable growers' association, 190G 337 



Melon culture, (iarcia 337 



First report on the fruit exi)eriments at Pusa, Howard 338 



Marketing Hawaiian fruits. Higgins 3,38 



Seedless ai)i)les 339 



Fig culture. Stearns 339 



Fall delivery of fruit trees 340 



Tiie factors which d(>termine the (piality of tea, ]Mann 340 



Tea-planting comj)anies 340 



Bnsji fruits. .Macomi 340 



Experimental work in vineyard of [Peru] School of Agriculture, Chabert__ ,340 



India's poppy and opium, Michael ^ 341 



