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  1. 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 (
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