Leaf Sensors for true aeroponic growing September 24, 2010Posted by aeroponicsman in aeroponics, bio-feed back, Leaf Sensor, leaves, plants, Uncategorized.
Tags: aeroponic, AgriHouse, closed-loop, data logging, digital, growing, leaf, Leaf Sensors, plants, pumps, software, solenoids, spray, timers, water
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AgriHouse’s leaf sensor technology product family just got larger – especially for aeroponic growing.
There’s no better closed-loop growing technology than true aeroponics growing (TAG). Why? Because the minimal water required per spray duration. For instance the GS-V aeroponic system will deliver approximately 200 ml (or 6.6 oz) water/nutrients per 161 mature plants in 8 sq ft.
The spray delivery rate is 200 ml spray every 3 minutes, most of which returns to the system’s reservoir. Leaving the entire plant growing in air until the next spray. That’s only 1.2 ml of water/nutrient solution per plant.
What else can grow a plant with 1.2 ml of water per spray?
A true aeroponic plant will spend over 89% of its time in growing in air. But just when you thought that 200 ml of water per spray every 3 minutes was a low amount of water to sustain aeroponic plant growth. It’s time to think less.
Affixing a leaf sensor to an aeroponic system can conserve 20% or more water to grow a plant. Besides using less water this means less energy and nutrients to run the system. Another cost savings benefit is reduced wear & tear on the pumps and solenoids. Plus the plants determine their own watering needs for healthier growth.
1. Install AgriHouse’s leaf sensor monitoring software on a PC running WinXP or Win2000.
2. Connect the leaf sensor to AgriHouse’s new LS-DAQ Interface device.
3. Connect the interface to the PC’s USB port.
4. Connect AgriHouse’s new DT-02LS digital timer & solenoid to the interface and set the timer’s DIP#4 to ON.
The Leaf Sensor Beta Monitoring Software knows when the leaf sensor is affixed to the plant and then determines the water needs of the plant. This based upon the bio-feedback of leaf turgidity. The interface activates the watering/spray via DT-o2LS’s internal solenoid. Only when the plant determines its watering needs (via the software) will water be sprayed for 3 seconds into the aeroponic chamber.
The DT-02LS has a default timer mode in case the LS-DAQ Interface becomes disconnected or the PC is turned off. The default timer mode is the standard 3 second spray every 3 minutes as mentioned above.
AgriHouse’s new Leaf Sensor Beta Monitoring Software v2.2 includes calibration features, data logging, settable averaging period, real-time waveform display in micrometers, affixed and watering notification for up to four leaf sensors, master enable control of individual outputs. There are four configurable leaf sensor channels, each with individual outputs.
The LS-DAQ Interface can connect up to four leaf sensors and control up to four separate Genesis Series V Aeroponic Systems and/or aeroponic chambers.
Yes it’s true. Affixing a leaf sensor to an aeroponic system can conserve 20% or more water and increase plant growth.
The NSF (National Science Foundation) has a new video on the leaf sensor subject. This video briefly covers the subject of the leaf sensor technology operating the GS-V aeroponic system.
Copyright AgriHouse Inc 2010
Leaf Sensor Exclusive License from CU January 12, 2010Posted by aeroponicsman in bio-feed back, Leaf Sensor, leaves, plants, University of Colorado TTO.
Tags: biometric feedback, CU, farm, irrigation, Leaf Sensors, water conservation
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CU-developed leaf sensor saves water by telling growers when to irrigate.
Boulder (January 11, 2010). Agri-biotech company AgriHouse, Inc. recently executed an exclusive license with the University of Colorado for intelligent leaf sensor technology enabling more precise control of water use in farming and greenhouses.
AgriHouse, headquartered in Berthoud, Colo., is developing leaf sensors to measure and monitor plant moisture demands and other plant physiological sensing applications. The company’s first product, the SG-1000 Leaf Sensor and Precision Irrigation Control Software, became commercially available in the 4th quarter of 2009. The SG-1000 Leaf Sensor is being used by researchers working in plant growth, as well as in commercial greenhouses; in addition to saving water and preventing loss of plants, the leaf sensor allows for direct measurement of plant hydration, replacing current monitoring technologies that direct watering indirectly from indicators such as soil moisture and air temperature.
In a 2008 test at a U.S. Department of Agriculture (USDA) research farm near Greeley, the company’s leaf sensor demonstrated an approximate 25% water savings over conventional watering schedules. (Colorado farmers currently spend more than $100 million annually for water and energy to irrigate their crops.)
Data monitoring captured by the leaf sensor and software also measures plant responses to evaporation, temperature and humidity fluctuations, along with wind gusts, soil moisture levels and natural rainfall. The sensors work in real time, and are functional during the entire growing season for any type of crop. “Because of its low-profile and non-intrusive features, the sensor can benefit researchers needing to better understand water flow mechanics, nutrient uptake and yield performance,” says Richard Stoner, founder and president of AgriHouse. “The SG-1000 Leaf Sensor is another tool in the farmer’s toolbox for controlling and lowering the cost of on the farm inputs. It is simply smart sense for water management and water & energy conservation.”
The sensors work by combining magnetic resistance and radio frequency to enable on-demand watering, providing a localized alternative to current technologies of soil-based moisture monitoring and aerial infrared imaging. The technology was developed in the University of Colorado Department of Aerospace Engineering, and was the subject of a $150,000 Small Business Technology Transfer grant from the National Science Foundation (NSF) in 2008. The first patent covering the technology was granted in the 4th quarter of 2009.
“AgriHouse has been extremely efficient in converting this technology from lab demonstration to pilot production,” said Ted Weverka, a licensing manager at the University of Colorado Technology Transfer Office. “They get the technology in front of the customer, get feedback and launch product without delay.”
AgriHouse is currently beta-testing wireless versions of the sensor, which would enable use in home gardeners, greenhouses, farmers and other large-scale operations. Both the current version and the wireless leaf sensor interface seamlessly into precision irrigation control software developed by AgriHouse
AgriHouse is a leading edge agri-biotechnology company offering advance high performance food production systems for earth and space. AgriHouse was found in 1992 by Richard Stoner and Dr. Ken Knutson, Plant Pathologist, Colorado State University. The company has a broad portfolio of IP and patents to deliver cost effective green technologies to increase food production, conserve water and natural resources, reduce the reliance on toxic pesticides, and allow plants to regulate their own environmental needs through intelligent bio-feed systems.
In 2009 AgriHouse released its ODC™ Colloidal Chitosan for beetle kill protection. The USDA Forest Service tested ODC in 2008, on pine trees. ODC significantly increased (40%) pine resin pitch-out revealing a potential reduction (37%) in beetle eggs in pine trees. ODC was first sponsored by BioServe Space Technologies, NASA-sponsored Research Partnership Center, aboard the space shuttle. BioServe is located on the campus of the University of Colorado, Boulder, CO. For additional information visit www.agrihouse.com and www.leafsensor.com.
Photo: SG-1000 Leaf Sensor Photo © 2009, AgriHouse, Inc.
Other news sources:
University of Colorado Technology Transfer Office Blog: http://cutechtransfer.blogspot.com/2010/01/agrihouse-inc-completes-exclusive.html
Northern Colorado Business Report January 12th, 2009 AgriHouse awarded exclusive licensing for leaf sensor technology