Characteristics of phosphorus uptake kinetics of poinsettia and marigold |
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| Authors: | Azizollah Khandan-Mirkohi Manfred K Schenk |
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| Institution: | 1. Horticultural Department, Agricultural Faculty, University of Urmia, Urmia, Iran;2. Institute of Plant Nutrition, Leibniz Universität Hannover, Herrenhäuser Str. 2, D-30419 Hannover, Germany |
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| Abstract: | In a previous experiment it has been found that maximum uptake rate (Imax), Michaelis constant (Km), and minimum nutrient concentration (Cmin) as plant physiological characteristics may be important for phosphorus (P) uptake in peat-substrate. Thus, variation of P uptake parameters was evaluated with a series of depletion studies for poinsettia (Euphorbia pulcherrima) and marigold (Tagetes patula) under fluctuating climatic conditions and different developmental stages. |
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| Keywords: | Uptake rate Relative growth rate Plant age Temperature Light intensity Photoperiod |
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