To help monitor that environment he built this sensor array which displays temperature and soil moisture readings ... By driving voltage on one screw, and measuring voltage on the other he ...

Agronomists tell us the optimum soil temperatures are a vital ... critical temperature to know before planting, and measuring the topsoil temperature is easy to do. In fact, you might ...

How to measure your soil temperature for planting The process is relatively simple once you have the proper tool in hand. Purchase a Soil Thermometer ($23) and simply follow the instructions.