"November 2013." "ISHS Commission Plant Substrates and Soilless Culture, ISHS Working Group Growing Media, ISHS Working GroupComposting for Horticultural Applications, ISHS Working Group Substrate Analysis, International Peat Society." Includes bibliographical references and author index.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.