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Mobile grazing app for forage management

TAGS: Technology
mtreasure/iStock/Thinkstock different breeds of cattle grazing in tall grass
HOW MUCH GRASS: Farmers will soon be able to see just how much forage is in a grazing paddock with the development of PaddockTrac from the University of Missouri Extension.
MU Extension to develop PaddockTrac receives USDA tech grant for pastures.

The University of Missouri Extension is developing a smartphone app called PaddockTrac to help farmers better manage forage.

"It seems everyone owns a smartphone these days, and they can be utilized in this situation," says John Lory, MU Extension nutrient management specialist.

"The process is very similar to technology in the health arena, where people wear wrist bracelets that collect data on heart rate and steps that are uploaded to a health tracking website," Lory says.

MU Extension received a $444,000 grant to create the mobile application from the USDA Natural Resources Conservation Service. It was one of 33 nationwide. The grant provides seed money to implement new ideas and techniques for conservation on private lands, according to J.R. Flores , NRCS state conservationist.

Linda Geist


GEARING UP: Purdy, Mo., dairy farmer Charles Fletcher (left) works with MU researcher Danny England (center) and MU Extension dairy specialist Stacey Hamilton to learn how to measure and manage forage through the Grazing Wedge. USDA recently awarded MU a grant to create an affordable mobile app to help farmers better manage their forage inventory. (Linda Geist)

Measuring matters
Stacey Hamilton, MU Extension state dairy specialist, said the goal of the three-year grant is to help farmers make better decisions about forage using affordable technology.

The new PaddockTrac system will have three key components.

First, pastures on a farm are mapped using an MU website and saved to a secure account. During the pilot phase, producers will work with an MU Extension associate to map their farms.

Second, using sonar technology on an ATV, farmers measure the height of forage in their pastures. Sensor data travels over a wireless Bluetooth connection to the farmer's mobile device, where it is stored until a wireless internet connection is available. Then the PaddockTrac app uploads the sensor data to the MU Grazing Wedge website.

Finally, the Grazing Wedge website will parse the data to fields. "Before you can get back to your computer at home, the Grazing Wedge will have a report on how much grass you have in each paddock," Hamilton says.

This information allows farmers to decide where cattle should graze first, and if there is extra forage to harvest as hay or silage.

The MU project leadership team includes Hamilton, state nutrient management specialist John Lory, research specialists Ryan Lock and Danny England, and MU Extension assistant dean of agriculture Robert Kallenbach.

MU Extension plans to recruit farmers starting in 2018 to beta-test the app.

Linda Geist


ADVANCING TECHNOLOGY: MU researchers use sonar on an all-terrain vehicle to measure forage. The data is transmitted to the MU Grazing Wedge website, grazingwedge.missouri.edu. The technology can help farmers make decisions about managing their forage inventory. (Linda Geist)

A look back
Hamilton says MU is a national leader in measuring the height and mass of forage in pastures using sonar technology on an all-terrain vehicle. An onboard computer collects and sends the sensor data to the MU Grazing Wedge website, grazingwedge.missouri.edu, an online tool that translates the data into estimates of the amount of forage in pastures.

"The Grazing Wedge website helped forage managers for years, but required a lot of time walking across pastures to take measurements and then manually enter the data on the website every week. We needed to improve that aspect," says Lock, one of the researchers on the project. "The innovation resides in linking the sensor, the smartphone and the website through the mobile app. This technology enhances labor efficiency and provides better opportunity to manage grazing systems and natural resources."

"Basically, the Grazing Wedge is a weekly inventory of your farm," Hamilton says. "Instead of knowing how many bales of hay you have stored in the barn, and then subtracting bales as they are used — or adding bales — the Grazing Wedge figures how much forage you have available in pastures for feed or harvest."

Over time, the tool helps producers calculate growth rates and cumulative forage production for grazing systems.

While the system gives accurate data, the cost of a military-grade computer, needed to withstand rugged travel across pastures on all-terrain vehicles, was out of reach for many.

The new smartphone app will make measuring forage more accessible for farmers and ranchers.

Source: University of Missouri Extension

 

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