Water-efficient Irrigation

Drip Irrigation

Water-Efficient Irrigation

This is an area which I’d really like to explore as part of how to adapt to the worsening drought.

According to Autodesk’s sustainability research, water-efficient irrigation reduces water use by avoiding evaporation, and avoiding over-watering.

“Avoiding evaporation can be done by delivering water more directly to the soil, or by delivering larger water droplets so they will not evaporate so easily, or by timing irrigation to avoid hot sunny times of day that cause more evaporation”

“Delivering water to the soil can be done by “micro irrigation” or drip irrigation. Micro irrigation is where irrigation nozzles are very near to the ground, but more numerous to make up for the lack of range ofeach nozzle. Drip irrigation does not spray water, but drips it from holes in a pipe that lies on the ground or underground, to avoid evaporation entirely”

Drip irrigation hose

“Drip irrigation is 90% efficient in delivering water where it is needed, while sprinkler irrigation is generally only 63% efficient. Avoiding over-watering can be done by not irrigating when it rains, having sensors in the ground shut off irrigation when the soil has enough moisture, or having evapotranspiration sensors shut off irrigation when plants are losing less moisture to the air. Micro irrigation and drip irrigation can also avoid over-watering by being more precise about delivering the right amount of water to different locations.”

There are also free online training classes offered at Texas Smartscape which explore which plants (natives and succulents) do best in this environment as compared to others, and how to save yourself money on your water bills.