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Sustainability in 3rd world agriculture
"Jill" wrote in message ... "Jim Webster" wrote in message ... "James Curts" wrote in message et... . We use hydroponic systems in the disadvantaged areas because they are simple to set up, use relatively little water, produce much quicker and several times more volume than dirt farming. Also orientation is surprisingly simplified because there are no machines to operate and service and very few people are required to maintain a system keeping the training process to a minimum. I give hydroponics high marks for being in the forefront of the food producing industry as we move more rapidly into a world in which food is a cost and availability issue for everyone. Hydroponics will be the life saver of many in 3rd world nations as help becomes more available and accepted. Thank you how does the capital cost of starting up a Hydroponics system compare with a more conventional system? 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 -- Jill Bowis http://www.poultryscotland.co.uk http://www.henhouses.co.uk http://www.domesticducks.co.uk http://www.poultry-books.co.uk http://www.kintaline.co.uk/cottage Jim Webster James Curts I would be curious to know who this one person is, Jill. This gutter system with only slight variations is used in many of the commercial, home and hobby set ups. Even larger plant crops including cucumbers and tomatoes are grown in gutter type systems utilizing larger gutters. This is especially true of recirculating systems. The Australian lettuce and greens growers use gutter systems out doors and often with only bird netting over them. Their crops are, of course, quite seasonal but very successful. Gordon Creaser is a great proponent of perlite growing media and it is used in many rather large systems which he designs and often in a bag and sometimes in tables, etc.. Hydroponics systems work and are very productive but on a commercial scale do require a higher degree of sophistication in training and equipment. James Curts |
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