POLK COUNTY, Ore. — Soil science has come a long way since Milton Whitney in 1899 began surveying soils in the tobacco lands of Connecticut. Whitney’s project to match soils to crops caught on quickly ...
Soils have a natural characteristic called the cation exchange capacity (CEC) that allows them to hold (and exchange) cations (e.g., Ca+2 or Na+). These cations are held tight enough on the CEC that ...
Since the alfalfa in the rest of the field didn’t show any signs of potassium deficiency, I suggested that the farmer take a composite soil sample from just the high areas, which represented about one ...
A simple, quick test will tell you how well your soil drains. Photo courtesy Greywater.org Seventeenth in a series republished with permission from the San Diego County Water Authority‘s website. Soil ...
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