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Diatomite and re-use coal waste as promising alternative for fertilizer to environmental improvement

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Academic year: 2017

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Fig. 1 The effect of coal treatment on ECe of soil (small letters indicated significant difference)
Fig. 2 The effect of diatomite treatment on ECe of soil (small letters indicated significant difference)
Fig. 5 The effect of diatomite treatments on available K in soil (small letters indicated significant difference)
Fig. 7 The effect of coal treatment on available K in soil (small letters indicated significant difference)

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