. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. M^'^^hi ^^Zit^-M-O-t -Lrci'ij. -::_MS£\S^ A FORTNIGHTLY REVIEW OF THE IMPERIAL DEPARTMENT OF AGRICULTURE FOR THE WEST INDIES. Vol. XI. No. 270. BARBADOS, AUGUST 31, 1912. Pkice Id. CONTENTS. Pagk. Pagi Adsorption of Certain Suli- stauces by Starchus A'^riculture in Ceylon, 1910-] I Book Sliflf Root Oil ... Cotton Notes :— Cotton-Growing in Rus- sia Poisoning by Cotton Seed Afeal West Indian Department News Depart mental Rejjorts ... Fruits, Making Models ni Gleanings Hcvea, Characteristics
. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. M^'^^hi ^^Zit^-M-O-t -Lrci'ij. -::_MS£\S^ A FORTNIGHTLY REVIEW OF THE IMPERIAL DEPARTMENT OF AGRICULTURE FOR THE WEST INDIES. Vol. XI. No. 270. BARBADOS, AUGUST 31, 1912. Pkice Id. CONTENTS. Pagk. Pagi Adsorption of Certain Suli- stauces by Starchus A'^riculture in Ceylon, 1910-] I Book Sliflf Root Oil ... Cotton Notes :— Cotton-Growing in Rus- sia Poisoning by Cotton Seed Afeal West Indian Department News Depart mental Rejjorts ... Fruits, Making Models ni Gleanings Hcvea, Characteristics of a Hybrid Insect Notes :— Report on a Visit to St. Kitts, Part I ... Market Reports Nitrates, Eni|>loyment by Plants for Nutrition 2,S1 283 286 280 278 278 278 274 277 276 284 275 282 288 280 Nitrogen from the Atmos- phere 279 Notes and Comments ... 280 Plant Growth, Stimula- tiin of 273 Pruning Sea Island Cot- ton Siipucaia Nut Silkworm Industiy. 1912 Studi-nts'Corner Sugar Industry:.— The Cost . of Growing Sugar-cane in Trade and .4igriculture of St. Helena, 1911 ... Vegetative Propagation, Continued, Changes in Plants through ... Virgin Islands and the Canadian National Exhibition West Indian Products ... 281 287 281 285 285 281 283 287 The Stimulation of Plant Growth. T is usual to regard the function of manures as consistins; in the direct provision of food I to the plant: the agriculturist emploxs them because he considers that they snppl}' substances required by the plant, in which the soil is lacking either on account of its peculiar nature or because the amount of those substances has been lessened by the growing of previous crops. Though the subject requires much further investigation, there appears to be little doubt that this is the right view of one of the func- tions of manures: an account that gives the chief obser- vations and arguments that are in favour of this view has appeared previously,* and may be consulted if a sumuiary of these is d
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