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Hydroponics Growing Without Soil
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Hydroponics: Growing Without Soil
The science of growing plants without soil has been known and used for more than one-hundred years. The word “hydroponics”, however, is comparatively new. Dr. W.E. Gericke is usually given credit for coining the word, which translated from Greek, mea ....
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....the medium should have sawdust mixed with it to allow for better drainage. The sawdust also makes the sand lighter and not pact together as easy ( Bridwell 86).
Gravel is another medium, it is used more often because it is easier to clean. If gravel is used round, smooth, river-type is preferred. Granitic types are the best because of its hardness. Whatever type of gravel that is purchased must be thoroughly washed and cleaned to get rid of any calcareous on the gravel. The size is a.... |
| Number of words: 2420 |
Approximate pages: 9 |
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