Fertiliser on the rocks
Manure or compost are cheaper alternatives to commercial fertilisers, but you might be sitting on top of another one in your land, just waiting to be activated: inorganic phosphorous rock.Using the rock is in itself not new. In factories all around...
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| Format: | News Item |
| Language: | Inglés |
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Technical Centre for Agricultural and Rural Cooperation
2002
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| Online Access: | https://hdl.handle.net/10568/46422 |