Iron deficiency in soil threatens soybean production

An expansion of soybean production into areas where soybean has seldom, if ever, been grown can be problematic for some farmers. Soils having high pH values and large amounts of calcium and/or magnesium carbonate are notoriously ...

Ocean geo-engineering produces toxic blooms of plankton

(PhysOrg.com) -- New research led by The University of Western Ontario warns of the potential for ecological harm caused by the fertilization of oceanic waters with the trace element iron. This fertilization method is being ...

A Zen discovery: Unrusted iron in ocean

Iron dust, the gold of the oceans and rarest nutrient for most marine life, can be washed down by rivers or blown out to sea or - a surprising new study finds - float up from the sea floor. The discovery, published online ...

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