. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. ^fcVk BOIA OAK A FORTNIGHTLY REVIEW OF THK IMPERIAL DEPARTMENT OF AGRICULTURE FOR THE WEST INDIES. Vol. X. No. 242. BARBADOS, AUGUST 5, 1911. Price Id. CONTENTS. Page. Agricultural Trainiuij in Uoiuinica 248 Agriculture in .laiii/iica, 1909-10 Agriculture in Porto Rico in 1910 247 Alcohol for Motive Power 249 Bacteria in the .Soil. Work of 249 Cotton Notes :— Sea Island Cnttnn in Hawaii 246 Uses for Cotton 246 West Indian Cotton ... 246 Dominica, Agricultural SchoolExaniination .. 244 Fungus Notes:— Two Banana


. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. ^fcVk BOIA OAK A FORTNIGHTLY REVIEW OF THK IMPERIAL DEPARTMENT OF AGRICULTURE FOR THE WEST INDIES. Vol. X. No. 242. BARBADOS, AUGUST 5, 1911. Price Id. CONTENTS. Page. Agricultural Trainiuij in Uoiuinica 248 Agriculture in .laiii/iica, 1909-10 Agriculture in Porto Rico in 1910 247 Alcohol for Motive Power 249 Bacteria in the .Soil. Work of 249 Cotton Notes :— Sea Island Cnttnn in Hawaii 246 Uses for Cotton 246 West Indian Cotton ... 246 Dominica, Agricultural SchoolExaniination .. 244 Fungus Notes:— Two Banana Diseases of the West Indies ... 254 Gleanings 252 Insect Notes : — Pollination of Yucca Flowers 250 Market Reports 256 Mocha Cott'ee, I'rodiiction of 244 Page. Nitrogen, Loss and Gain in Cultivated Soils ... 249 Notes and Comments ... I'russic Acid, Formation duriiigGermination ... Rulilier and Gutta-Perclia in Borneo Rvd/oer in Togoland and German East Africa 248 Rubber, Tackiness in ... 251 Southern Nigeria, Agricul- ture in Students' Corner Sugar Industry :— Changes in Sugar Solu- tions at High Temper atures The Sugar Industry of the United Stjites, in 1909 Supply of Sulphur to Cul- tivated Crops Te) Candida and T. Purpurea as Green Dressing Crops in St. Lucia West Indian Products ... 248 249 253 251 253 .. 243 243 241 245 The Supply of Sulphur to Cultivated Crops, *HE to which culli\atc-d plants require nitrogen, phosphate and potash, in order that ^they may attain a proper development and give an adequate yield, has long been the subject of practical determinations, by agriculturists, in the form of laboratory and field experiments. There has not been by any means the same amount of attention to the similar requirements in regard to sulphur as a plant food; for various circumstances, to be stated later, have led it to be considered that these are small and ade- quately supplied without the making of any specific attempts to provide suljihur in


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