Humic Substances in Soil and Crop Sciences: Selected Readings 
Subtitle: Proceedings of a Symposium Cosponsored by the International Humic Substances Society
Contributors: P. R. Bloom (Editor)
Publisher: Amer Society of Agronomy
Published: December 1990
Language: eng
Format: Hardcover
Number of pages: 281
ISBN-13: 9780891181040
Subjects: Nature/Ecology; Humic acid content; Field Crops; Soil Science; Soils; Humus; Congresses; Crops and soils