My rainwater collection system to power the drip irrigation on my square foot garden is working very well. I have a 1000 gallon tank for rain water harvesting that sits approximately 20 feet higher uphill in elevation than my garden and the hose bib pressure is more than adequate to drive an inexpensive drip irrigation system. I was concerned that the rainwater collection would not provide sufficient pressure to water the raised bed garden so I’m very pleased with the initial results. I’m very pleased with this particular use of my rainwater collection system.
Rainwater Collection Drip Irrigation Working
I configured a rainwater collection system pipe to my raised bed garden. I planted my square foot raised bed garden with heritage seeds from a survival seed bank along with a few commercial tomato plants and basil plants. The seeds responded well to the square foot garden approach and the tomatoes went nuts! I allocated about a cup of water per day from my rainwater collection system through the rain drip irrigation system and that seemed to be more than sufficient to get the seeds to germinate properly. For bigger rainwater collection systems for your garden use, you can consult rainwater tanks experts at http://www.supatank.com.au.
Harvesting Rainwater to Feed Garden Plants
Each square in my raised bed square foot garden has a drip irrigation emitter that is filled by harvesting rainwater from the roof of my house. I can vary the flow of each emitter to increase or decrease the amount of daily rain water supplied to each square in the raised bed garden. Some plants are doing very well but I planted some leafy vegetable seeds too early and the Texas Summer heat is not serving them very well. Harvesting rainwater can only solve a portion of the challenges with a raised bed garden. The experiment with the rainwater collection system is working very nicely – a nice change from last year’s failed experiment.
Rain Water Harvesting Drives Drip Irrigation Emitters
I use a drip timer at the end of the hose from the rain water harvesting system to control the daily water flow into the rain drip irrigation system in the square foot garden. The timer is set to allow water to flow for a few minutes each day at 6PM. I’ve measured the flow rate controlled by the emitters with a gallon jug and the pressure from the rainwater collection system is adequate to provide an accurate water flow into my rainwater collection system and out to each specific plant.
Summary of Rainwater Collection Powering Drip Irrigation in a Square Foot Garden
I installed a rainwater collection system to collect rain water from the roof of my house. The rain water harvesting system feeds my rain drip irrigation system nicely and the water pressure is more than adequate to power my rain drip irrigation system. I planted a mix of commercial plants and heritage seeds and they are performing nicely with sufficient water from harvesting rainwater. The emitters in my rain drip irrigation system are variable and the flow check out accurately. This has turned out to be a very nice use of a rain water collection system and is saving me quite a bit of money on my water bill each month.
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Rainwater collection is key to developing a semi-sustainable garden. Read about our first forays into a deck container garden and why growing your own food is a great idea for anyone here.