Why should I have my soil tested?

A pre-plant soil test will tell you what fertilizers you need to apply to get your plants off to a good start by providing them with proper soil fertility at planting.

TPS Lab is getting a lot of soil samples recently from vineyards of all sizes and ambition. TPS Lab has stirred up a lot of interest with Viticulturists with the recent introduction of our grape specific soil test and grape specific plant test, addressing the special nutritional and testing requirements of grapes.

TPS Lab's plant mascot, an Amorphophallus titanum, has finally arrived!

Two weeks ago the Iowa lawmakers voted to eliminate sustainable agriculture research center by removing funding for the Leopold Center for Sustainable Agriculture at Iowa State University.