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A New Technology Developed in the US Promises to Revolutionize Agriculture by Increasing Productivity by 138% While Using 40% Less Water.
Researchers from the University of Texas have developed a smart soil that promises to revolutionize agriculture. This new type of soil can capture water directly from the air to keep plants hydrated and control the release of fertilizers, ensuring a constant supply of nutrients.
The technology, based on an innovative hydrogel, was described in a study recently published in ACS Materials Letters.
What Is Smart Soil?
Smart soil uses a hydrogel material designed to absorb water vapor from the atmosphere at night and release it throughout the day, keeping plants hydrated.
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Furthermore, the hydrogel allows for a controlled release of fertilizers, optimizing nutrient use and reducing the need for frequent irrigation and fertilization.
In experiments, the soil showed an increase of up to 138% in plant stem length compared to conventional soil.
“This new technology can reduce the burden on farmers by decreasing the need for frequent irrigation and fertilization,” said Jungjoon Park, a graduate student in the Walker Department of Mechanical Engineering, who led the research.
He adds that the technology is versatile enough to be used in various climatic conditions, from arid regions to temperate areas.
University of Texas at Austin
Impact on Water Use
Currently, agriculture accounts for 70% of global freshwater consumption, reaching 95% in some developing countries.
With the increase in the global population, the Food and Agriculture Organization (FAO) highlights the importance of technologies that save water and promote sustainable food production. In this context, smart soil proves to be a promising solution.
Experiments indicated approximately 40% water savings compared to traditional methods, while promoting robust plant growth. These results suggest a future where agricultural production can be expanded without overburdening water resources.
University of Texas at Austin
Benefits for Sustainable Agriculture
Waste Reduction: The combination of hydrogel with nutrients controls the supply of fertilizers, decreasing waste and increasing efficiency in plant absorption. This also helps mitigate environmental pollution caused by the excessive use of fertilizers in conventional methods.
Increased Productivity: Plants grown in smart soil exhibited significantly greater growth, with healthier and more abundant yields. Additionally, the substrate can be applied to a wide variety of crops and climatic conditions, making it an accessible solution for farmers in different regions of the world.
Next Steps
Although the results are promising, there are challenges for large-scale adoption. Longer and more comprehensive field tests are needed to validate the effectiveness of smart soil in different soil types and climates.
Furthermore, ensuring that the hydrogel production process is environmentally sustainable and economically viable is essential.
Another important point is the cost. For the technology to reach farmers in low-income regions, it will be necessary to develop partnerships with governments, NGOs, and private investors.
The project also aims to expand the use of different types of fertilizers and conduct prolonged field studies to refine the technology. Guihua Yu, a professor in the Walker Department of Mechanical Engineering, emphasizes that the goal is to create solutions that balance scientific innovation and sustainability, contributing to global food security.
This discovery is yet another significant step for modern agriculture, enabling greater efficiency and sustainability in the use of natural resources and helping to meet the growing food demands of an expanding population.
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