CROP failures on acid soils are well known to farmers and to scientific workers interested in plant nutrition ... excess of soluble manganese; (6) biotic factors (for example, mycorrhiza).

Most neutral and alkaline soils, however, evidently contain ample quantities of manganese in a form available to plants. A method of chemical analysis has been found which appears to measure the ...

A power plant in Perry spilled radioactive chemicals outside, spilling more than 70 gallons into the ground and near water ...