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The potential impact of different types of organic (sewage sludge) or inorganic (mineral fertilizer) amendments to a basic soil was investigated under dry conditions. A soil incubation experiment was carried out over 64 days; there were two fertility treatments: sewage sludge (SS) (140tha −1 ), mineral fertilizer (M) and an unamended control (C). Two levels of irrigation were imposed: (1)...
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