Development and application of a resin-bag method to determine available nitrogen in forest soils
By: by Xu Guangshan,A. F. Harrison and H. M. Grimshaw.
Contributors: Harrison, A. F.; Grimshaw, H. M.; Merlewood Research Station.
Series: Merlewood research and development paper -- no.107
Publisher: Institute of Terrestrial Ecology, Merlewood Research Station
Published: 1986
Place of publication: Grange-over-Sands
Language: eng