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The Canadian System of Soil Classification
Revised edition of 1978 publication, with major revisions on both the Gleysolic and Organic orders, and minor revisions of the Podzolic order. Soils are classified at the order, great group, and subgroup levels tabulatedalphabetically according to the names of the orders. For each subgroup theabbreviation of the name is appended. Definitons of soil as opposed tononsoil and of the unit of soil being classified, plus basic definitions ofsoil horizons are included. Also included are correlations of Canadian soiltaxonomy with other systems, terminology for describing soils, and landformclassifications.
Expert Committee on Weeds : Proceedings of the 1996 National Meeting
This proceedings contains submitted written summaries of presentations and discussions at a meeting of an expert committee on weed science and weed problem management. Topics of presentations included integrated weed management, weed-crop competition models, environmental impacts of herbicides, herbicide resistance in weeds, crop yield loss prediction models, biology and control of dandelion, formulation of biological control products, weed biology and ecology, decision support systems for weed control, bioassay, forestry herbicide use, and weed invasiveness mechanisms.
