Experts are seeing a need to add potassium to some tomato crops that are being drip irrigated.
Researchers are seeing low potassium numbers from soils in tomato crops that are being irrigated with drip lines. Cooperative Extension Farm Advisor Gene Miyao says growers should be monitoring potassium levels and be prepared to supply it if needed. Miyao says that drip irrigation has changed where roots are able to find nutrients in the soil, limiting the growth of the roots to a small area.