By Yousef Shireen   Summy Kenneth   Little Christopher   in Journal of Plant Nutrition

ISSN:0190-4167|34|8|1236-1244

Taylor & Francis Ltd‎(2011)‎

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By Everitt James H.   Yang Chenghai   Summy Kenneth   Nachtrieb Julie G.   in Geocarto International

ISSN:1010-6049|28|6|502-516

Taylor & Francis Ltd‎(2013)‎

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