Ognalaga M., Moupela C., Mourendé GA., Odjogui PIO. —
Comparative Effects of Chromolaena odorata L. King R.M. & H.E. Rob Ashes and a Soluble Mineral Fertilizer (NPK 15 15 15) on the Growth and Yield of Guinea Sorrel (Hibiscus sabdariffa L.) (Text in French),
p. 242-252. vol. 34 no 3
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