Humic, fulvic, and microbial balance
Subtitle: organic soil conditioning : an agricultural text and reference book
By: William R. Jackson.
Publisher: Jackson Research Center; Umi Research Pr; Brand: Umi Research Pr
Published: 1993
Place of publication: Evergreen, Colo
Language: eng
Number of pages: 958
Subjects: Organic farming.; Organic fertilizers.; Humus.; Histosols.
Other titles: Organic soil conditioning
Notes: Includes bibliographical references (p. 845-934) and index.