Does anyone have any experience of what I call 'optimal irrigation'? The photo shows a bowl supplying water to several plants. The egg cup is to check the flow rate into one wick.
I connected 3 barrels with PVC pipe: put a faucet on one at the end, hooked up a water hose to the barrel with the faucet. I used the smallest drill bit I could find and heated on the grill, and burned tiny holes on the water hose by each plant. Bought a Holman timer from Dripworks and put it on the main barrel with the faucet. My peach, apple, guava, lemon, plum, and pear trees get watered automaticely with the timer for two weeks. I go to that property evry two weeks. The ground gets so dry, it gets inch size cracks.
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