. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. A FORTNIGHTLY REVIEW OF THE IMPERIAL DEPARTMENT OF AGRICULTURE FOR THE WEST INDIES. LIBR; NEW ^ BOTA^ QARI Vol. IX. No. 2J4. BARBADOS, NOVEMBER 2fi, 1910. Peicb Id. CONTENTS. Page. Page. Action of Ht!:it nil Soils, The Agricultunil E.\.-uniii:itiniis Banana ConmiissiDii of British (iiiiana ... Bookshelf Cacoa-nut Cultivation and Copra in Federated Malay States .. Cotton Notes :— I'se and Maiiufactui-e of ELjyptian C<itton ... West Indian Cotton ... Cotton-seed Iinjioitiition into West Africa ... Cotton, World's
. Agricultural news. Agriculture -- West Indies; Plant diseases -- West Indies. A FORTNIGHTLY REVIEW OF THE IMPERIAL DEPARTMENT OF AGRICULTURE FOR THE WEST INDIES. LIBR; NEW ^ BOTA^ QARI Vol. IX. No. 2J4. BARBADOS, NOVEMBER 2fi, 1910. Peicb Id. CONTENTS. Page. Page. Action of Ht!:it nil Soils, The Agricultunil E.\.-uniii:itiniis Banana ConmiissiDii of British (iiiiana ... Bookshelf Cacoa-nut Cultivation and Copra in Federated Malay States .. Cotton Notes :— I'se and Maiiufactui-e of ELjyptian C<itton ... West Indian Cotton ... Cotton-seed Iinjioitiition into West Africa ... Cotton, World's Supply of Creasote for Preserving Posts Department News Fungus Notes:— Additional Note on Pink Diseases Further Observations on Die-Back Diseases ... Gleanings 309 375 372 379 . .377 374 374 383 371 377 383 382 382 380 Insect Notes: — lntiiiduLti(Mi of the St. Viment '.Jack Span- iard ' iiilservati(>ns on ... Market Reports Notes and Comments ... Panama, Agricultural Pros- pects in Rubber. Naiidi Sierra Leone, Agriculture in Students' Corner Sugar Industry: — Sugar-Cane Vields ami Distances of Plantiiii^ West Indian Products ... Work LTniler the Food and Drugs< (rdmance, Brit- ish , 1909-10 ;?78 :',7S 377 373 384 37(i 375 37IJ 377 381 371 383 376 The Action of Heat on Soils. 'N a previous number ut' tin Agricultural Neivs*, a note was given on work that had (been carried out by S. T'^. Pickering on the prevention, to some extent, of the germination of seeds in soils that have been heated. This prevention was shown to be due to the presence of some poisonous () substance. Further, as the degree to which the rate of germination is lessened is a])])roximately pro- portional to the amounts of soluble organic matter and the soluble nitrogen compounds present, it was suggest- ed that this toxic body must be organic and soluble, and perhaps nitrogenous. There was the further consid- eration that the results showed that soils, even, which iiave not been heat
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