Falling Number - Wikipedia
https://en.wikipedia.org/wiki/Falling_Number
The Falling Number (FN), also referred to as the Hagberg number or Hagberg–Perten number, is the internationally standardized (ICC 107/1, ISO 3093-2004, AACC 56-81B) and most popular method for determining sprout damage.With the Falling Number test, so-called weather or sprout damaged wheat or rye, which is disastrous for bread-making quality, could be detected at the grain silo intake ...
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