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Ammonium-nitrogen Uptake and Utilization by Poinsettia (Euphorbia Pulcherrima Willd. Ex Klotz) Grown in Nutrient Solution Culture and Soil and Peat-like Growing Media

Douglas Alan Cox

出版	Cornell University, 1982
URL	http://books.google.com.hk/books?id=b2ZPAAAAYAAJ&hl=&source=gbs_api