KCARE Research Today

Tag: Ogallala aquifer

Letting it all soak in: Water Technology Farms lead the way in water conservation

On a sun-drenched August day, a group of farmers, sales representatives, government officials and university researchers were gathered, not in a conference room, but in the middle of a cornfield. Under the unrelenting sun, everyone had one thing on their minds: water, and how to use less of it.

This is a Water Technology Farm, one of the working farms sprinkled across the state whose owners have volunteered to focus on water conservation, in addition to crops and livestock. University researchers often tout new irrigation technologies as efficient or cost-effective, but farmers never really know how those technologies – so triumphant in a controlled experimental field – will perform in their own fields. With Water Technology Farms, producers can see first-hand how the latest irrigation technologies work in a real-world setting.

Crowds gather to learn more about water-saving technologies near Larned, Kansas. Photo courtesy Richard Rockel, Kansas Water Office

At six different Water Technology Farm field days across the state, K-State extension water resource engineer Jonathan Aguilar explained to the public how these farms work: by showcasing technologies such as mobile drip irrigation (MDI), evapotranspiration (ET)-based scheduling tools, soil water sensors and other tools, producers can see visible proof about how each of these experimental methodologies can assist them in their efforts toward water conservation.

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K-State researcher produces new innovations for Kansas farmers

Kansas leads most of the nation when it comes to agriculture, and it’s a tradition that has existed since before the Sunflower State joined the Union. Over the course of time, much about farming has changed in each of Kansas’ 105 counties ­– from crop rotations to farm equipment to irrigation technologies. Dr. Jonathan Aguilar is one of the researchers from Kansas State University helping farmers use the latest innovations to improve their harvest.

Jonathan Aguilar addresses farmers at tech farm field day
Photo courtesy of Katie Ingels, Kansas Water Office

Dr. Aguilar hails from the Philippines, where he received both his bachelor’s and master’s degrees in agricultural engineering from the University of the Philippines-Los Baños (UPLB). While there, his studies focused on land and water resources as it pertained to irrigated agriculture and environmental stewardship. After graduating, he continued to work at the university as a researcher, as well as taking on several water resource-related projects with the UPLB Foundation, the Philippine Department of Agriculture, and the UN Food and Agriculture Organization. Dr. Aguilar came to K-State to pursue his doctoral degree in biological and agricultural engineering and graduated in 2009. He joined the faculty here in 2012.

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Growing more with less: Using irrigation technologies to extend the life of the Ogallala Aquifer

Researcher installs soil sensors below crops

Water use is something that both researchers and farmers have explored for decades: what happens to a crop when irrigation is reduced? All backyard gardeners or self-proclaimed green thumb know that plants need water. But how much water is enough? What amount still guarantees healthy plant growth and a good yield of wheat, corn, alfalfa, sorghum, or sunflower? Agricultural engineers are experimenting with new ways to grow more with less water in a process called deficit irrigation: it’s a practice where farmers reduce the amount of water applied to a crop, allowing mild stress to the growing plants.

According to the FAO, irrigated agriculture uses more than 70 percent of the water withdrawn from the earth’s rivers; in developing countries around the world, that figure can exceed 80 percent. In Kansas, irrigation accounts for 85 percent of all consumptive water use ­– mainly from the Ogallala aquifer. With unsure rainfalls and aquifers diminishing faster than they can recharge, the trick is knowing exactly how much stress a crop can take, and precisely adjusting irrigation to still result in a profitable harvest. Dr. Isaya Kisekka, an assistant professor in K-State’s Department of Biological and Agricultural Engineering, is working to take the guesswork out of the equation and give farmers the tools they need to maintain their net profitability and protect the state’s water resources for future Kansas farmers.

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