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Excerpt from Memoirs of the Department of Agriculture in India, Vol. 10: The Rice Worm (Tylenchus Angustus) And Its Control; January 1919 IN a previous publication1 an account was given of a new and exceedingly serious disease of. Rice, called locally ufra, in the great rice-growing deltaic tract at the head of the Bay of Bengal. This tract comprises one of the main rice areas of India. The districts actually known to be affected (noakhali, Tippera, Dacca, Faridpur, and Backergunge) contained, in 1916, nearly 6 million acres out of the 21 million acres under this cereal in Bengal. Adjoining them are other districts so similar in climatic conditions and agricultural practices that they are liable to infection and indeed are likely to be, in some cases, already infected. This threatened area adds another 6 million acres of rice in Bengal and over 2 million acres in Sylhet. In all of this vast extent rice occupies over 70 per cent. Of the cultivated land hardly any alternative food crop is grown, and the great bulk of the tract is totally unsuited to any other. Hence it is probable that no plant disease hitherto observed in India except the cereal rusts that periodi cally take heavy toll of the wheat crop in Northern and Central India, possesses such potentialities for harm as ufra. The intensity of the attack no less than the importance of the crop affected warrants this view. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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