Agricultural soil testing is critical to determining soil’s nutrient concentration and variability across your fields. It is ideal to test your fields’ soil at least every two to three years to inform ...

The Oklahoma State University Extension Soil, Water and Forage Analytical Laboratory on the OSU campus tests more than 58,000 samples each year to protect Oklahoma’s natural resources and support ...

To grow good plants, you need good soil. The only way to tell what your soil really needs is to take a soil test. Applying too much fertilizer could be detrimental to your plants. You could waste ...

A new nitrate-monitoring “lab-on-a-drone” allows for easy, real-time water sampling and analysis in hard-to-reach areas like steep ditches or swampy lowlands.

In the winter, it might seem like there is not much to do in the garden, but there is one thing everyone can do to set themselves up for success in the spring. That is soil testing, of course. In ...