Methods of extraction of soil organic matter from four Swedish soils and determination of free, exchangeable and complexed forms of K, Mg, Ca, Fe, Al and Si in the extracts
By: by Lars A resund.
Contributors: Sveriges lantbruksuniversitet. Avdelningen fo r markla ra.
Publisher: Institutionen fo r markvetenskap, Avdelningen fo r markla ra, Swedish University of Agricultural Sciences
Published: 1982
Place of publication: Uppsala
Language: eng
Subjects: Humus.; Soil biochemistry.