The additional electrode can routinely be expected to reduce the measurement by about 40% ... A homeowner who has the misfortune to live in an area of high soil resistivity cannot reasonably be ...

Decide upon the desired resistance of the electrode. Measure the soil resistivity with an earth tester. Determine the required length from the table, based on the desired resistance (5 or 10 ohms) and ...

The increasing frequency of once-in-a-decade agricultural and ecological drought has underscored the urgency of studying hydrological changes. A research team has analyzed the estimated changes in ...

The new program, which is voluntary, provides sampling kits to ensure contamination-free soil collection, and provides data ...

Learn how carbon nanotubes improve crop yield, enhance soil microbiota, and support sustainable agriculture through water ...

Annette MaCoy, Penn State Master Gardener, Franklin County Penn State Extension and the Penn State Agricultural Analytical ...