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From small to large (roughly speaking): Barrels (usually I see 30‒65 U.S. gal (110‒250 L)) Plastic Intermediate bulk containers (IBC; usually I see 275 to 330 gal (1000‒1250 L)) Rain barrels or IBCs in series — this allows you to scale your capacity over time Large above- or underground tanks / cisterns (e.g. plastic tanks are widely commercially available ...


4

I'd go with a water well - let the earth do the rain water collecting. If well is not a viable option, commercial rain water gathering systems with e.g. underground tanks do a good job. http://en.wikipedia.org/wiki/Rainwater_harvesting http://www.rainharvest.com/rain-harvesting.html


3

I grew up on a rural property using only rainwater. I'll walk through the calculations as an example to give a general idea of what you'll need to do. The rainfall in the region averaged about 750mm pa (temperate rainforest area). The water tank was (using imperial measurements) 20' diameter and 6' deep, for a total volume (in roundish numbers) of 1885 ...


3

Vertical Farming does already compete with horizontal farming. I read an article about a lettuce farm in Japan that was producing 10,000 head of lettuce a day. The research showed that the vertical farm not only used less water but it also produced more lettuce with less labour. Because LEDs have been designed specifically for this purpose by GE, the farm ...


2

I would recommend building a rainwater collection system (http://www.wikihow.com/Build-a-Rainwater-Collection-System) that feeds into a ground level hydroponic garden system. This will be easier to access and maintain, and will run no risk of flooding the house in the event of actual gutter clogs. This setup lets you use any sort of hydroponic system you ...


1

To elaborate a bit more on underground rain collection options. With plastic tanks topping out in the 2500 gallon range for underground storage, you are able to link tanks together to increase capacity. In the states a lot of lower cost options fall into where you're located. 1700 gallon tanks are spread nicely throughout the United States, which makes ...


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