By Carter Christy T   Ungar Irwin A   in Canadian Journal of Botony

ISSN:1480-3305|81|9|918-926

NRC Research Press‎(2003)‎

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By Khan M.   Ungar Irwin   Showalter Allan   in Journal of Plant Nutrition

ISSN:0190-4167|28|8|1365-1374

Taylor & Francis Ltd‎(2005)‎

Access to resources Favorite 11.544453