Author: Journals
Title: Journal of the Department of Agriculture of Puerto Rico vol XV n 2(April 1931)
Description: . Published by Insular Experiment Station, Rio Piedras, P. R.. In 8vo, original wrappers, pp, 113-195 with 4 pls. Contents: Nitrogen transformations in the decomposition of sugar cane trash bu J.A. Bonnet; A bibliography of the banana root weevil by M.D. Leonard; The effect of mosai viris on celle structure by M.T. Cook; The leaf spot of Tobacco by M.T. Cook; Some undescribed symptoms of mosaic in Tobacco by M.T. Cook; New virus diseases of plants in Porto Rico by M.T. Cook

Keywords: tobacco diseases


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