WSU Tree Fruit Research & Extension Center

Organic & Integrated Tree Fruit Production

Saturday, January 19, 2019


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1558. Day, J.M., D. Harris, P.J. Dart and P. Van Berkum. 1975. The Broadbalk experiment: an investigation of nitrogen gains from non-symbiotic fixation. p. 71-84 IN:. W.P. Stewart (ed.), Nitrogen fixation by free living microorganisms, Cambridge Univ. Press.

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