The Unpowered Wicking Irrigation Controller is suitable for automatic sprinkler irrigation or drip irrigation. The valve inside the controller operates with water supply pressure in the range 10 kPa to 800 kPa. The interval between irrigation events responds automatically to the on-site prevailing weather conditions (namely, evaporation and rainfall). It is recommended that you watch the video: Unpowered Wicking Irrigation Controller ​The Unpowered Wicking Irrigation Controller may be purchased from the Measured Irrigation website. A polyester cloth wicks water from inside the plastic contain ..read more

Just a quick post to inform you about the Unpowered Irrigation Controller (formerly, the Unpowered Terracotta Valve). Irrigation controllers rely on power for continuous operation. If there is a power failure or a battery is flat, the irrigation stops and your plants may die. This is particularly relevant in remote locations where access is limited. The Unpowered Irrigation Controller is the only irrigation controller in the world that does not need power. Provided the water supply is continuous, the irrigation controller will operate indefinitely. You may wish to watch the video Unpowered Irr ..read more

The Automation Kit for Farm Pond Irrigation is for smallholders with a farm pond and gravity feed drip irrigation from a header tank. Water is pumped automatically from the farm pond to the header tank and your small farm is irrigated automatically by an Unpowered Terracotta Valve. You can leave your farm unattended for weeks on end, and so you can become involved in other activities away from the farm; for example, travelling to the market to sell your produce. It is assumed that the bottom of the farm pond is no more than 4 metres lower than the irrigation drippers. The water supply pressur ..read more

The key features of Pitcher Perfect Irrigation are: · Unpowered · Very low cost and simple to install · Uses less water than any other irrigation system · Irrigate an unlimited range of crops at the same time · Water usage responds automatically to changes in the weather and crop needs · If you can afford a float valve, you can leave your garden unattended for months A smallholder will have time for other acticities such as travelling to the market to sell or exchange their produce. Watch the video Pitcher Perfect Irrigation for Smallholders. Detailed instructions for installing Pitcher Perf ..read more

DIY automatic pitcher irrigation may facilitate food security for thousands of smallholders. · Unpowered · For the same yield, pitcher irrigation uses less water than any other irrigation system · Gravity feed from any water source (no pump required) · An unlimited range of crops (fruit, vegetables, grains) can be irrigated at the same time · Water usage responds automatically to changes in weather and crop requirements · The smallholdermay leave their plot unattended for months on end · To facilitate food security, a smallholder can sell/exchange their produce at the market ..read more

This post presents a new video: A major advance in drip irrigtion To upgrade your drip irrigation application you will need the to buy an Unpowered Valve Box (either an Unpowered 15mm Valve Box or an Unpowered 25mm Valve Box) and one or more subsurface claty pots ..read more

I have just published a new video. Think twice before you buy a pump for your rainwater tank ..read more

I have produced 2 flyers for Measured Irrigation. One for the Unpowered Wicking Bed Controller and the other for the Unpowered Terracotta Valve. The Unpowered Wicking Bed Controller can be purchased from the Measured Irrigation website. The Unpowered Terracotta Valve can be purchased from the Measured Irrigation website ..read more

The Part-Fill Rainwater Tank Valve ensures that your rainwater tank never runs out of water. When the rainwater level becomes very low, a small amount of mains water is added to the tank. There is plenty of room left in the tank for more rainwater when it rains. It is very easy to install the Part-Fill Rainwater Tank Valve PFRTV: Step 1. Position the PFRTV so that the bottom of the PFRTV is at the same level as the bottom of the tank. Step 2. Connect the mains water supply to the inlet on the PFRTV. Step 3. Connect a tube to the outlet on the PFRTV and position the other end of the tube so tha ..read more

These are the components in the DIY Unpowered Terracotta Valve Kit The kit is designed to be affordable for smallholders anywhere in the world. To this end I have made delivery free to any postal address worldwide. The Unpowered Terracotta Valve saves more water than other irrigation controller without expensive soil moisture sensors. The kit can be purchased online at the Measured Irrigation website. The User Manual for the DIY Unpowered Terracotta Valve Kit can be downloaded from the home page of the Measured Irrogation website ..read more