Book excerpt: Excerpt from Bulletin of the Department of Agriculture, Trinidad and Tobago, 1919, Vol. 18 BY R. O. Williams, Acting Supt., Royal Botanic Gardens and St. Clair Experiment Station. As reported in Bulletin XVII, 1918, p. 69 a planting distance experiment for yams has been carried out. Ten trenches each 200 feet long and 4 feet apart were dug 2 feet in breadth and about 18 inches in depth. These were filled partly with trash and partly with cow manure, then covered and banked up with soil in the usual way. 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.