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Sustainability in 3rd world agriculture
"Oz" wrote in message ... Jill writes depends on the Hydroponics There is the expensive what is used in commercial horticulture and there is a very good set up that costs very little ideal for the 3rd world but not been picked up and run with - works on the basis of rain gutters or similar - a fair amount of perlite - a solar pump - and some white and shiny plastic. Unfortunately the only person to make this work extremely well is not in the position to make this pay but boy does it work Please to note that in arid areas irrigation on sandy soil is effectively low cost hydroponics. Nothing revolutionary at all, the ancient egyptians did it. -- Oz I am not certain how the definition would apply there unless they are actually introducing supplemental feeding into the irrigation water. But with the plants growing from soil calling it hydroponics is rather a stretch I would think. We have installed miles of drip lines in grape fields, Asian pear orchards, etc. but it is not hydroponics. Hydroponics is not in itself revolutionary. The application to modern forms of food production and in the quantities being produce is revolutionary. This becomes more apparent where in the 3rd world type applications we see it virtually bringing new life to people through this revolutionary form of food production. Rather a play on terminology perhaps but ancient the Greeks derived the name from terms describing "Water Work." Hydroponics, in essence allows plants to grow without a sustaining media and indeed in many projects no media is used. The medias used in hydroponics systems server to support the plant and regulate oxygen and moisture to the plant roots. Revolutionary to you and I, probably not, but to those who are given a new lease on their very existence it is certainly revolutionary. James Curts |
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