Biodiversity Heritage Library
By "Pickering, E. D. "
Yield and quality of some grass-legume mixtures in response to N, P, and K fertilizers in the central interior of British Columbia /
By: Broersma, Klaas. - Pickering, E. D. - Yee, A. R. - Canada. Agriculture Canada.
Publication info: [Ottawa] :Research Branch, Agriculture Canada,1989.
Contributed by: Agriculture and Agri-Food Canada (archive.org)