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Agronomy Journal Abstract -

Head Size of Sunflower as an Indicator of Plot Yields1


This article in AJ

  1. Vol. 62 No. 1, p. 112-113
    Received: Apr 21, 1969

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  1. Robert E. Burns2



The accuracy of plot yields of sunflower is often reduced by bird depredation. To find a substitute for harvested yields of plots, the head size of two varieties of sunflower was correlated with yield per head. The high correlation obtained (r = 0.95) indicates that, in plots which have considerable bird damage, yield estimates based on head size would be more accurate than actual seed weights.

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