THERE has been a controversy in the literature concerning ferrous iron in soils on three points, namely: (1) Is ferrous iron present in large quantities in ordinary healthy soils ? (2) Can soil ...

The biogeochemistry of exchange between iron's two forms has been amusingly referred to as Earth's "ferrous wheel." Figure 2 ... , K. L. Iron toxicity to rice in an acid sulfate soil as influenced ...

Agrochemists find proof of the ferrous wheel hypothesis. A team of agrochemists from Russia, Germany, and Chile confirmed the so-called ferrous wheel hypothesis—the turnover of iron in the soil ...

Identical-appearing, off-white colored tablets containing 80 mg. of ferrous iron, in the form of either ferrous sulfate or ferroglycine sulfate were obtained through the courtesy of Nordmark ...