| 1. | Home-made explosives made from artificial fertilizers mixed with kerosene is often employed.
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| 2. | Producing artificial fertilizer is also more costly in energy than this process.
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| 3. | At the same time, the range of artificial fertilizers was being improved.
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| 4. | Strawberries suffered lower quality due to disease and the use of artificial fertilizers.
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| 5. | Artificial fertilizers were in use and the crop yields had increased.
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| 6. | Without artificial fertilizers, hydroponic equipment from the Soviet Union was no longer usable.
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| 7. | Most coffee producing farmers use natural fertilizers and not artificial fertilizer.
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| 8. | The end of methods of agriculture relying on pesticides, artificial fertilizers and other poisons.
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| 9. | The main industries include food processing, mining, cement, artificial fertilizer, groundnuts, and calcium phosphate.
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| 10. | The emphasis of his work was on the use of potash as an artificial fertilizer.
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