Technology that lets plants send text alerts when they're running dry may someday reduce overwatering, says a Discovery Channel report. A chip about the size of a clip-on earring can be attached to a plant leaf and linked to regular cell-phone networks, sending a text message when it's time to irrigate. Watering only when necessary could save water and energy, especially in the arid West. A company called AgriHouse is marketing the chip, which is based on technology developed by NASA for long space trips.
Water in the open spaces of the west is valuable, but it's virtually worth its weight in gold in outer space. The original cell phone for plants was developed years ago by scientists working with NASA on future manned missions to the moon and Mars.
"You need plants on future space missions," said Hans-Dieter Seelig, a scientist at the University of Colorado at Boulder who worked on the original NASA project.
"They take out waste carbon dioxide, produce breathable oxygen, and the astronauts can use them as food," said Seelig.
During their research, the NASA scientists concluded that astronauts wouldn't be able to take anywhere near enough food and supplies for an estimated two-year mission to Mars. The pilots and Ph.D.'s selected for the trip would have to spend most of their time as celestial subsistence farmers.
To reduce the amount of time and supplies necessary to grow crops, scientists clipped sensors, wired to a central computer, to plants so astronauts would know exactly when and how much water to give them.
During the initial NASA tests the scientists were able to reduce the amount of water necessary to grow plants by 10 percent to 40 percent.
You can see a Video on AgriHouse website here.
A similar approach was also demonstrated earlier this year.
Interactive telecommunications researchers designed a soil-moisture sensor device that can allow a house plant to communicate with its owner. The device can send short messages to a mobile phone or, by using a service called Twitter, it can send short messages to the Internet. The messages can range from reminders to water the plant, a thank you or a warning that you over- or under-watered it. To communicate, probes in the soil emit electric waves. A voltage level based on the moisture content is sent through two wires to a circuit board that compares the optimum moisture level with the current one. A local network receives this data and allows the plant to send a message through the device.
All this is possible through a new system called Botanicalls, which is developed by Interactive Communications researchers. This system allows your plants to send text messages to your cell phone or even on internet. The plants will know when they need water and they will let you know, or, if they have been watered, they will just thank you. More, they will tell you if you put enough water or they need more.
So how Botanicalls works?
Some sensors are placed in the soil with the plant, and they measure the level of moisture. These sensors send a signal to a microcontroller to determine if the moisture is low or high, or if water has been added or not. Based on that, the sensors can send a wireless signal to an internet connected computer than can send a prerecorded message to the plant owner. Messages include “thank you” when the plants are watered, or warnings if the water is too much, or the plants haven’t been watered and they need water.
You can see their video here.
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