yellow flash
 n.— «A Purdue University agronomist said that many farmers over the last several years have observed a mid-season yellowing of their soybeans, commonly called “yellow flash,” which is caused by a manganese deficiency.» —“Manganese deficiency in soybeans? Experts advise foliar application” in West Lafayette, Indiana Media Newswire April 21, 2009. (source: Double-Tongued Dictionary)

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