1. The study shows that organic fertiliser could reduce the hurt of soil "cadmium-pollution and the effect of goat feces is better than peat."

2. Fungicides have still got to be used, but there is an increasing tendency to use organic fertilisers.

3. A group of Chinese students explain how they are turning school kitchen waste into organic fertiliser.

4. Ideally this should be spread on land as an organic fertiliser and soil conditioner, however great care will be required to ensure that this does not become a further source of soil contamination.

5. Guano is used to make some of the world's finest organic fertiliser .

6. It will also reduce waste and odours, and produce a valuable organic fertiliser that is safer than raw manure.