Dirt. For millennia, the dark, rich soil underlying farms and gardens worldwide has been central to human survival. It’s also a lot more complex than it looks. Within every clump of soil lies an ...

Accurate measurement of soil NO₃⁻-N is essential for precision fertilization and stable crop yields. Real-time monitoring of NO₃⁻-N has long been a challenge in agriculture. Conventional soil nutrient ...

Kansas State University researchers have received a $2 million award from the National Science Foundation’s Global Centers program to develop sensors that can more accurately detect nutrients, ...