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harvest index

noun, Agriculture
a measurement of crop yield: the weight of a harvested product as a percentage of the total plant weight of a crop.
Origin of harvest index
1965-70 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for harvest index
  • Estimating grain and straw nitrogen concentration in grain crops based on aboveground nitrogen concentration and harvest index.
  • Biological yield, harvest index, and ear weight as indirect selection criteria for grain yield in wheat.

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